Nature vs. humans (and what I'm doing about it): Paul MacCready on TED.com

In 1998, aircraft designer Paul MacCready shares his vision of an earth out of balance, and talks about the steps he’s taking in his own work to help solve it — by building amazing solar airplanes, superefficient gliders and an electric car. It’s a stirring vision of how all of us, no matter what our profession, can help make change. Listen for MacCready’s rule to live by: “I spend about 15 percent of my time trying to save the world.” (And watch for the aircraft demos soaring over the heads of a roomful of TEDsters.) (Recorded February 1998 in Monterey, California. Duration: 22:48.)

Watch Paul MacCready’s 1998 talk on TED.com, where you can download this TEDTalk, rate it, comment on it and find other talks and performances from our archive of 300+ TEDTalks — including more demos.

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