Brazilian soccer player Dani Alves attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday 17th October. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Mayor of London Sadiq Kahn attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Brazilian soccer player Dani Alves attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British actress Emma Watson poses for a picture as she attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British actress Emma Watson poses for a picture as she attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British actress Emma Watson poses for a picture as she attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge speak with guests as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge speak with guests as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge speak with guests as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Emma Watson poses for photographers at The Earthshot Prize Awards Ceremony, London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Watson poses for photographers at The Earthshot Prize Awards Ceremony, London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Thompson poses for photographers at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Thompson poses for photographers at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Watson poses for photographers at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Watson poses for photographers at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Watson poses for photographers at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dani Alves and Joana Sanz pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Joana Sanz poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade, left, and Emma Thompson pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

David Oyelowo and his wife Jessica Oyelowo pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dani Alves poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Mohamed Salah poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

KSI poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Mohamed Salah poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dermot O'Leary and Clara Amfo pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dermot O'Leary, left, and Clara Amfo pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, in London, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in Londonon Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British broadcaster, natural historian and author David Attenborough, center, attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with broadcaster David Attenborough as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with broadcaster David Attenborough as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021.. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with broadcaster David Attenborough as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with soccer player Mohamed Salah as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with soccer player Mohamed Salah as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talks with Ed Sheeran and Emma Watson as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talks with Ed Sheeran and Emma Watson as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talks with actor David Oyelowo as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talks with guests as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talks with guests as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in Londonon Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Chief Executive of the Royal Foundation Jason Knauf holds a speech as he attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British singer Ed Sheeran attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British singer Ed Sheeran attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British singer Ed Sheeran attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British singer Ed Sheeran attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British broadcaster, natural historian and author David Attenborough, second right, attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British actress Emma Watson, second left, British singer Ed Sheeran, center and Liverpool FC's player Mohamed Salah, first right, attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with broadcaster David Attenborough as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with broadcaster David Attenborough as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021.. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with soccer player Mohamed Salah as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021.. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with broadcaster David Attenborough as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talk with soccer player Mohamed Salah as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday 17th Oct, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021.. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

British actress Emma Watson, center, and singer Ed Sheeran, right, attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge talks with actor David Oyelowo as they attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Chairman of the Royal Foundation William Hague holds a speech as he attends the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London on Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London, Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London, Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London, Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London, Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Britain's Prince William and Kate, Duchess of Cambridge attend the first ever Earthshot Prize Awards Ceremony at Alexandra Palace in London, Sunday, Oct. 17, 2021. Created by Prince William and The Royal Foundation, The Earthshot Prize has led an unprecedented global search for the most inspiring and innovative solutions to the greatest environmental challenges facing the planet. (AP Photo/Alberto Pezzali, pool)

Mohamed Salah poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Mohamed Salah poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Mohamed Salah poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Matthew Pinsent, Demetra Pinsent pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Mohamed Salah poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

William Hague and Ffion Hague pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

William Hague and Ffion Hague pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Matthew Pinsent, Demetra Pinsent pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Signage at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

William Hague poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Matthew Pinsent, Demetra Pinsent pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Thompson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Thompson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Thompson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dani Alves poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Joana Sanz poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Joana Sanz poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Sadiq Khan and Saadiya Khan arrive at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dani Alves and Joana Sanz pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Joana Sanz poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dani Alves and Joana Sanz pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dani Alves and Joana Sanz pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dani Alves and Joana Sanz pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Joana Sanz poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dani Alves and Joana Sanz pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dani Alves and Joana Sanz pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Philip T. Reeker poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

KSI poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Dermot O'Leary and Dee Koppang pose for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade and British actress Emma Thompson pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Philip T. Reeker poses for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade and British actress Emma Thompson pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade and British actress Emma Thompson pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Thompson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade and British actress Emma Thompson pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade and British actress Emma Thompson pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Thompson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Yemi Alade and British actress Emma Thompson pose for photographers upon arrival at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Thompson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Thompson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Clara Amfo poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Watson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Watson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)

Emma Watson poses for photographers at The Earthshot Prize Awards Ceremony, Alexandra Palace, England, Sunday, Oct. 17, 2021. (AP Photo/Scott Garfitt)