All PLANET EARTH groups supports:
Greenpeace * United Nations High Commissioner for Refugees (UNHCR) * American Bird Conservancy
PLANET EARTH AGRICULTURE 744 members
PLANET EARTH OUR HOME 12,540 members
PLANET EARTH LANDSCAPES 7,497 members
PLANET EARTH ANIMALS/BIRDS 4,497 members
PLANET EARTH FLOWERS 2,030 members
PLANET EARTH SUNRISE SUNSETS 5,180 members
PLANET EARTH ARCHITECTURE 5,911 members
PLANET EARTH BUTTERFLIES, BEES, BUGS, AND INSECTS 3,984 members
PLANET EARTH WEATHER 923 members
PLANET EARTH IN BLACK AND WHITE 3,755 members
PLANET EARTH BIRD WORLD 1,505 members
PLANET EARTH BACK IN THE DAY 6,488 members
PLANET EARTH IN BOKEH AND DOF 969 members
PLANET EARTH MOUNTAINS 881 members
PLANET EARTH TRAINS AND RAILROADS 910 members
PLANET EARTH IN PANORAMA 1,928 members
PLANET EARTH VINTAGE ADVERTISING 992 members
PLANET EARTH WILDLIFE AND NATURE 1,916 members
PLANET EARTH MACRO WORLD 1,507 members
PLANET EARTH UNDERWATER 1,025 members
PLANET EARTH REFLECTIONS 2,491 members
PLANET EARTH 100 YEAR CLUB 512 members
PLANET EARTH IN SILHOUETTES 1,500 members
PLANET EARTH IN SEPIA 467 members
PLANET EARTH IN HDR 368 members
PLANET EARTH NIGHT LIGHTS 1,021 members
PLANET EARTH VINTAGE ARCHITECTURE 818 members
PLANET EARTH URBAN LANDSCAPES 1,042 members
PLANET EARTH FIELD GUIDE TO AMERICAN ARCHITECTURE 349 members
PLANET EARTH HORSES 966 members
PLANET EARTH ON BLACK 435 members
PLANET EARTH TRANSPORTATION 1,913 members
