Cashing in on Carbon--KQED Quest Radio Report

This month, the Federal Trade Commission is looking at carbon offsets. Demand is booming for these green credits, where customers cancel out their greenhouse gases emissions by paying companies to preserve forests or subsidize renewable energy. Critics wonder, however, if consumers are really getting what they are paying for.

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QUEST is a TV, radio, web, and education series by KQED that explores science, environment and nature in Northern California.