non-reneable energy

Conflict & Justice

Rethinking biofuels in Europe

Biofuels have been touted as the best hope for reducing reliance on fossil fuels and limiting greenhouse gases. Now many scientists are raising doubts about that. Reporter Kathleen Schalch examines the debate over the costs and benefits of biofuels.

Global Politics

Impact of oil spill on marine life

At least 4 million gallons of oil have leaked into the Gulf of Mexico from the Deepwater Horizon well, and the efforts to protect the ecosystem continue. Anchor Marco Werman speaks with Vernon Asper, a researcher at the University of Southern Mississippi.