Related to Smokey Bear's Last Fire

Penguin in Alley — Black

1200 × 827

Polluted River Valley

1024 × 720

Ocean pollution awareness

1200 × 849

Green Planet Fragment

1680 × 1050

Calvin and Hobbes Comic — Black

1680 × 1050

Shark in Plastic Bag — Teal, Calm, Illustration

1440 × 900

Dove Flying over Earth — Green

1680 × 1061

Beach pollution awareness

1200 × 783

Garfield and Jon

1440 × 900

Calvin and Hobbes Characters — Black, Playful, Comic, Tiger

1920 × 1200

Giant Statue Hunt Comic

4131 × 5784

Shark in Plastic Bag — Teal, Dramatic

1920 × 1200

Pollution awareness campaign

1024 × 720

Earth in a Glass Dome — Black

1600 × 900

Calvin and Hobbes ponder humor

1024 × 701

Calvin at a Desk — Blue

1024 × 768

Evil Has Many Faces

1856 × 1160

Elephant and Tiger

1680 × 1050

Homer Simpson in Comic

1440 × 900

Two Men in Comic

1600 × 1200

Green Alien Creatures — Humorous

1600 × 1200

Mother and Son in Comic

800 × 600

Calvin and Hobbes baseball comic

1280 × 800

Calvin throws a pine cone

1280 × 800