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Thomson / Gale

Reflecting on a problem

Science News,  Jan 6, 2007  by Tom E. Klassen

One solution to global warming suggested in "a Swarm of Umbrellas vs. Global Warming: Astronomer thinks small to save Earth" (SN: 11/4/06, p. 291) is stretching Mylar across the ground. How about designing reflective concrete to aid in this endeavor? We are already covering a large amount of Earth with pavement.

TOM E. KLASSEN, INDIANAPOLIS, IND.

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