John Francis: Walk the earth ... my 17-year vow of silence
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John Francis walks the Earth, carrying a message of careful, truly sustainable development and respect for our planet. Full bio
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ABOUT THE SPEAKER
John Francis - Planet walkerJohn Francis walks the Earth, carrying a message of careful, truly sustainable development and respect for our planet.
Why you should listen
One day in 1983, John Francis stepped out on a walk. For the next 22 years, he trekked and sailed around North and South America, carrying a message of respect for the Earth -- for 17 of those years, without speaking. During his monumental, silent trek, he earned
an MA in environmental studies and a PhD in land resources.
Today his Planetwalk foundation consults on sustainable development and works with educational groups to teach kids about the environment.
John Francis | Speaker | TED.com