Recycling art with Uncle Sam

1644 × 2316

London Underground ad with mosaic art

2017 × 921

collage of ads and text

1024 × 768

plant trees go green

1920 × 1200

Man cleaning city trash

1200 × 849

UFOs clean up pollution

1262 × 892

Hands Hugging Tree

1600 × 1005

Save Our Water Poster

2139 × 3000

Penguin in polluted alley

1024 × 768

wheelchair safety ad

1280 × 800

smoking public service announcement

2560 × 1600

WWF Istanbul conservation ad

1024 × 768