Letters to the Editor Humans Letters from the October 13, 2007, issue of Science News By Science News October 8, 2007 at 6:32 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Another idea blown . . . Conservation by America is not going to decrease global warming (“Asian Forecast: Hazy, Warmer—Clouds of pollution heat lower atmosphere,” SN: 8/4/07, p. 68). We need to imitate known global-cooling events, such as the Krakatoa volcano explosion, which spread sunlight-reflecting dust into the stratosphere in 1883.