Alex Steffen is the thinking-person's optimist. His inspiring, provocative talks about our future pack houses around the world. Whether explaining humanity's best solutions (in Worldchanging), imagining the opportunities to be found in climate-neutral cities (in Carbon Zero), or sharing breakthrough insights...

Jared Diamond is a celebrity scientist, in the best sense of the term. The massive audiences at his talks emerge with a fresh outlook on the big questions. Why do some societies prosper while others die? What can we learn from the collective history of every human society? In comprehensive keynotes, Dr. Diamond shows us...

Brooklyn-based filmmaker, educator, and eco-activist Shalini Kantayya uses film as a tool to educate, inspire, and empower audiences. Her futuristic sci-fi flick about the world water crisis, A Drop of Life, won Best Short at Palm Beach International, a Crystal Dior Nomination at Tokyo Short Shorts, and was...

E.O. Wilson has made a tremendous contribution to our understanding of biodiversity, while his insights on social and group behavior have changed our perception of ourselves. The stirring keynotes from this legendary Harvard biologist are both majestic overtures to all life on earth as well as eloquent pleas to government,...

How will the combination of a booming global population and global warming change the world? Which countries will struggle, and which will prosper? Dr. Laurence C. Smith believes the North is set for major gains. In sweeping talks, Smith outlines the changes that our world will face in the next 50 years, both geologically...

Through her accessible and comprehensive books, the popular green advice column she's been writing since 2004, her public lectures, and her regular appearances on CBC News, CTV's Canada AM, and many other programs, Adria Vasil helps regular people decipher legitimately green products and choices from the...

Charles Fishman is the author of The Big Thirst: The Secret Life and Turbulent Future of Water, the bestselling book on water in America in the past 25 years. An award-winning senior writer for Fast Company, Fishman is a celebrated investigative journalist, specializing in business innovation...

A TED Senior Fellow, Jessica Green uses non-traditional tools—like art, animation, and film—to help people visualize the invisible world of microbes, and understand the hugely important role they play in every facet of our lives. In visually stunning and eye-opening talks, Green shows us a geometric-driven approach...

Jean Charest is one of Canada’s best known political figures. Charest is the 29th Premier of Québec, serving from 2003 to 2012, and is a former Deputy Prime Minister. With stirring eloquence, he speaks about his career in public service, which has touched on practically every social, political, economic, and...