Mark Hertsgaard

Science, Tech & Environment

REDD Corruption

The plan to pay developing nations to save their forests and the carbon in them is potentially worth billions of dollars under the UN scheme called REDD, Reducing Emissions from Deforestation and Degradation. Nearly $4 billion dollars is already on the table, and this cash has attracted both conservationists and criminals.

Science, Tech & Environment

Walmart's Wishes

The world's largest retailer says it won't do business with suppliers who violate environmental laws. But can Wal-Mart's low-cost mission align with its lofty goals for sustainability? Host Bruce Gellerman talks with green business consultant Andrew Winston about how Wal-Mart can clean up its act while cleaning up the environment.

Science, Tech & Environment

Poznan Preview

International leaders will meet in Poznan, Poland next week to lay the groundwork for a renewed commitment to cutting CO2 emissions, adapting to climate change and fostering renewable energy. Jennifer Morgan, director of the Global Climate Program for the think tank E3G, tells host Bruce Gellerman that she's cautiously optimistic that the U.S., with Barack Obama at the helm, will play a strong role in the fight against climate change.