Tree growing in light bulb

Assorted animals in bonsai tree

Carbon footprint on globe

Tree away from city

Lone tree away from city

Fountain with telephone shaped topiary

Recycling symbol surrounded by leaves

Man holding tree in palm with trees in background

Tree growing in field connected to microchip

Man trying to catch clouds coming from large head

Scientist pouring green liquid on tanker truck

Collage of people, transportation and nature

Nuclear factory in shape of skull and crossbones

People imagining a new, expanded factory building

Wind turbines near lake in countryside

Wind turbines near lake in countryside

Wind turbines near lake in countryside

Close up of airplane engine

City park with highrises

Montage of currency and recycling symbols