Worldchanging.com founder Alex Steffen argues that reducing humanity’s ecological footprint is incredibly vital now, as the western consumer lifestyle spreads to developing countries.
Get TED Talks recommended for you.
How can cities help save the future? Alex Steffen shows some cool neighborhood-based green projects that expand our access to things we want and need — while reducing the time we spend in cars. (Recorded at TEDGlobal 2011, July 2011, in Edinburgh, Scotland. Duration: 10:13.) Watch Alex Steffen’s talk on TED.com, where you can download […]
Planet Earth doesn’t exactly have a birthday. But every year on April 22, we celebrate Earth Day — the anniversary of the moment the environmental movement went mass. According to EarthDay.org, Earth Day was founded in 1970 by U.S. Senator Gaylord Nelson, who called for a “national teach-in on the environment” after witnessing the terrible effects […]