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Delta of Þjórsá, Iceland
Glacial Rivers in South Iceland
Rhododendron Forest in the Sagarmatha National Park, Himalaya, Nepal
Polar Bear (Ursus maritimus; Female) on Sea ice, Franz Josef Land, Russian Arctic National Park
Polar Bear (Ursus maritimus; Female) on Sea ice, Franz Josef Land, Russian Arctic National Park
Polar Poppy (Papaver polare), Georgeland, Franz Josef Land/Russian Arctic National Park
Humpback Whale, Franz Josef Land, Russian Arctic National Park
Cape Flora, Franz Josef Land/Russian Arctic National Park
Adult male humpback whale spy hopping and showing deep throat pleats, Ha
Banded sea snake breathing at surface, Ha
Rio+20, The Future We Want
Distinguishing Atlantic Salmon and Pollack in the National Park Center "Multimar", Tönning, Germany
Bayanga at the Dzanga-Ndoki National Park, Central African Republic
Tidal flats, South Korea West Coast
Incheon International Airport, South Korea
West Coast National Park, South Africa
African Monarch (Danaus chrysippus), Table Mountain National Park, SA
Red Crassula (Crassula coccinea), Table Mountain National Park, SA
Polygone tundra, Lena Delta, Sakha Republic, Siberia, Russia
Linking Tourism & Conservation, Nationalpark Tortuguero, Costa Rica
Linking Tourism & Conservation, Nationalpark Tortuguero, Costa Rica