To Cool the Earth, Plan Would Pull a Shade

from National Public Radio

A recently announced plan to reduce the effects of global warming would send a huge glass shield into space, lining it up to deflect 2 percent of the sunlight bound for the Earth. Robert Siegel talks with Roger Angel, professor of Astronomy and Optical Sciences at the University of Arizona, where he started the Steward Observatory Mirror Lab.

Broadcast Dates

• All Things Considered, April 24, 2006