Get flash to fully experience Pearltrees
Mar 31 2010 The National Geographic has been known for bringing awareness about natural resources and the planet since 1888.
Hetch Hetchy Reservoir Half Dome Cable Route On the hike to Half Dome
"Earth From Above" is the result of the aerial photographer Yann Arthus-Bertrand's five-year airborne odyssey across six continents. It's a spectacular presentation of large scale photographs of astonishing natural landscapes. Every stunning aerial photograph tells a story about our changing planet.