Naturalist and documentary film- maker Sir David Attenborough talks with host Steve Curwood about his new book, “Amazing Rare Things: The Art of Natural History in the Age of Discovery.” In the book, Sir Attenborough explores how artists exposed Europeans to nature in the New World beginning in the 15th century.

The fate of yellow dent corn is traced from soil to supermarket in the new documentary "King Corn." Abundant, cheap, and rich in calories, the crop is found in almost everything we eat. And, as the U.S. government continues to subsidize commercial farms to drive prices down and yield up, Americans struggle with the consequences of a high-calorie, low-nutrition diet. Living on Earth’s Bruce Gellerman gets an earful from co-producer Ian Cheney about the making of the movie.

Al Gore's global warming road show hits Congress. Living on Earth's Jeff Young tells us about the visit and the frenzy of climate change activity at the Capitol.

Producer Emily Taylor captures the sounds of the Rochester Fair in Rochester, New Hampshire in this audio postcard. Giant pumpkins, anyone?

Al Gore is looking to leverage the success of his film, "An Inconvenient Truth," by cloning himself. Well, not really. He's training more than a thousand people to give the slideshow presentation on global warming he gives in the movie. Living on Earth's Jeff Young sat down with Al Gore to ask him about his efforts to change the climate of public opinion.

Farmers have wanted a replacement for a pesticide that's being phased out because it destroys the planet's ozone layer. Now, EPA has approved a substitute but some leading scientists say that pesticide is highly toxic and too dangerous to use in fields. Jeff Young reports from Washington.

The Intergovernmental Panel on Climate Change (IPCC) and Al Gore have won the Nobel Peace Prize for their efforts to shed light on the threat of human-induced climate change to the planet. Host Steve Curwood speaks with Harvard University Professor James McCarthy who chaired part of the third assessment of the IPCC.

Physical attributes like hair color and skin tone can be traced to the expression of certain genes in our DNA. But, what about behavior? As reporter Sheri Quinn finds, researchers at the University of Utah may have discovered a genetic link to obsessive compulsive disorder, based on the work of this year’s Nobel Prize for Medicine winner, Dr. Mario Capecchi.