Park cleanup campaign

1200 × 849

Bear in Forest — Brown, Calm, Afternoon

1600 × 1280

Pollution warning over city

800 × 600

Pollution awareness campaign

1024 × 720

Jungle Landscape with Waterfall

1200 × 828

Giant Bucket in Canyon

1024 × 768

Pollution in a city

1024 × 768

Flooded model village

1024 × 768

Crushed bottle in plaza

1600 × 1127

Dove Flying over Earth — Green

1680 × 1061

Penguin in Alley — Black

1200 × 827

Plastic Bottles in Coral

1600 × 1131