Environment

'The New York Times' Investigates An Ailing Clean Coal Project

The Kemper Project is an electrical generating station currently under construction in Kemper County, Miss. The plant has been held up as a model of the Obama administration's efforts to promote new, clean energy technologies, but the project is two years behind schedule, still not operational, and more than $4 billion over budget. NPR's Ari Shapiro talks to Ian Urbina of The New York Times about the Kemper Project and the administration's clean energy policy.

Adelie Penguins In Danger

A new study says the population of Adelie penguins in the Antarctic could drop dramatically in population by 2099 due to climate change. Megan Cimino, who headed the study, explains why.

Why Are Diamonds Worth So Much?

Someone bid $61 million for an uncut diamond this week. NPR's Scott Simon asks Rachelle Bergstein, author of "Brilliance and Fire: the Biography of Diamonds," what makes a rock worth so much money?