Do your part to reduce global warming: 10 Tips for us. (NRDC National Resources Defense Council) "In a time when Fortune 500 companies and four major automakers (GM, Ford, Toyota and DaimlerChrysler) have announced their support for a cap on global warming emissions, it's clear that momentum is shifting. Pollution, especially from cars and from making electricity, is a major cause of global warming. Find out how YOU can make a difference. Get Tips to Fight Global Warming at home.