Why aren't solar powered stoves being given a green light? This week on What Doesn't Kill You, Katy Keiffer is joined by friend of the show and photojournalist Erik Hoffner.

McKenzie Funk is one of the founding members of the journalism collective Deca. Since 2000, his reporting has taken him all over the United States and to dozens of countries on six continents.

Paul Cross is the founder and head grower of Charybda Farms in Arroyo Hondo, New Mexico.

This week on Flash Talks Cash, JoAnn "Flash" Fleming and Andrew Newman talk about gas prices with special guest Carlos Salguero Jr. of the Heritage Radio Network. Tune in to hear discussions about politics in the Middle East, oil subsidies, and solutions to oil dependency.

On a very important episode of The Main Course, professor Dickson Despommier discusses population growth and food production and explains how vertical farming might save us all. Also on the show, Jennifer Nelkin and chef Matt Hamilton.