Portrait of Barack Obama

1280 × 800

industrial pollution scene

1999 × 1307

Polar bears in a barren landscape

1075 × 665

Trucks at a landfill site

3264 × 2448

Cemetery near industrial plant

1130 × 1156

soldier in desert conflict

1024 × 768

Oil sands tailings ponds

964 × 768

Hope and Change Word Art

923 × 1000

Sebben campaign graphic

1200 × 900

Sunset over Water — Orange, Dramatic, Photograph, Clouds, Dock

1440 × 900

person falling into water

1280 × 800

Whale tail silhouette underwater

1600 × 1200

Two narwhals swimming underwater

2560 × 1600

silhouette at underwater dome

1310 × 634

Seahorse under a pier

1600 × 1200

Wooden dock on a misty lake

1600 × 1200

Purple sunset over coastal rocks

2560 × 1600

Manta ray swimming underwater

1920 × 1080

elephants swimming underwater

1920 × 1080

orange narwhals on purple

2560 × 1600