Transcript
STEVE INSKEEP, HOST:
When consumers think about green products, they often face a dilemma - that car that uses less gasoline or a more efficient refrigerator tends to cost more. Buyers have to choose whether money is more important to them than public good. Now new research shows there might be a way to boost interest in these products, at least among a core group of consumers. NPR social science correspondent Shankar Vedantam is here to talk with us about that.