Letters from the October 27, 2007, issue of Science News

Heated dispute

“It’s not nice to fool Mother Nature” (SN: 8/25/07, p. 125) states that “an increase in the atmospheric concentration of carbon dioxide, not an increase in solar radiation” is responsible for current global warming. What is the scientific—not political—basis for that remark?

Warren Finley
Laguna Beach, Calif.