The obesity epidemic As First Lady Michelle Obama steps up her campaign to fight childhood obesity and the FDA denies certification to the first prescription weight loss drug in a decade, Midday takes a look at the causes of obesity and how we can fight it.11:00 a.m.
Allen Levine: Dean of the College of Food, Agriculture and Natural Resource Sciences at the University of Minnesota. He is the director of the Minnesota Obesity Center and was the Associate Director of Research at the Minneapolis VA Medical Center.
What is the future of our oceans? Oceanographers and deep-sea explorers Sylvia Earle and Edith Widder travel around the world to study what's happening to our oceans. In a conversation at the 2010 Aspen Ideas Festival, they discuss the BP oil spill and other threats to our oceans -- as well as what ocean management should look like in the future.12:00 p.m.
Sylvia Earle: Oceanographer, deep-sea explorer, and author. Earle is the National Geographic explorer-in-residence and founder of Deep Ocean Exploration and Research. She formerly served as chief scientist at the US National Oceanic and Atmospheric Administration.
Edith Widder: Biologist and deep-sea explorer. Widder is president and senior scientist of the Ocean Research & Conservation Association. She is an internationally recognized expert in bioluminescence
Andrew Revkin: Journalist who has covered science and the politics of global warming for more than two decades. Revkin writes the "Dot Earth" blog at the New York Times.