It's Monday--a good day to let your voice be heard. In response to recent California regulations intended to fight global warming through cleaner automobile technologies, the Alliance of Automobile Manufacturers (with a membership that includes Ford, Toyota, GM, and Daimler-Chrysler) is suing to block the implementation. Their claim: consumers don't want clean car options. The Union of Concerned Scientists is coordinating a letter-writing campaign to convince their president, Fredrick Webber, otherwise. Take action by following this link.