John Francis
John Francis is a TED speaker who has written 1 quality-verified book, each paired here with their TED talk.
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 earnedan 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.