The Berkeley geographer explores issues that would open doors to greater participation in environmental and conservation concerns.
An outspoken advocate for consumer rights on food supply, Cook talks about GMOs and the economic impact of modern agriculture.
The best-selling author, who covers the environment for The New Yorker, explains her latest text, The Sixth Extinction, on the state of our planet.
One of the environmental community’s most prominent critics of U.S. farm and food policy offers his take on choosing the right food.
In his on-air conversation, the tireless advocate for positive social change and U.N. Goodwill Ambassador explains his passion for protecting the environment.
In our web exclusive clip, Somerhalder answers viewer Twitter questions, including about the work of his foundation.
As we approach Earth Day 2014, one of the leading U.S. scientists on global warming weighs in on the climate change debate.
The award-winning journalist unpacks her new text on the state of our planet, The Sixth Extinction.
Feal explains his passion in fighting for justice for first responders of the 9/11 terrorist attack on the U.S.
We celebrate our landmark 2,000th show on PBS with highlights from some of our enlightening, encouraging and empowering conversations over the past 10 years.
A winner of both of America’s best-known science journalism prizes, Fagin recaps the story he tells in his new text, Toms River.