Daryl Hannah, actress and strong-willed activist, has gathered together the TEDTalks she's found most motivating over the years. Spanning the globe -- from the Black Hills Mountains of the United States to the underwater crevices of Antarctica -- these talks are instructive and informative but, most of all, inspiring.
Paul Nicklen: Tales of ice-bound wonderlands
Aaron Huey: America's native prisoners of war
Garth Lenz: The true cost of oil
Chris Jordan: Turning powerful stats into art
Sylvia Earle's TED Prize wish to protect our oceans
Paul Stamets: 6 ways mushrooms can save the world
John Hardy: My green school dream
Yann Arthus-Bertrand: Capturing fragile Earth in wide-angle
JR: JR's TED Prize wish: Use art to turn the world inside out
JR: One year of turning the world inside out
Derek Sivers: How to start a movement