From recycling to clean air, clean water, and more, these government, nonprofit, and educational Web sites offer extensive information on a breadth of environmental topics. http://www.nybg.org/sustainability/learn_more.php
RealClimate is a commentary site on climate science by working climate scientists for the interested public and journalists. They provide a quick response to developing stories and discussion is restricted to scientific topics. http://www.realclimate.org
