Portland Number One Sustainable City-Again http://news.opb.org/article/3120-portland-number-one-sustainable-city-again/ City of Chicago Climate Action [pdf] http://www.chicagoclimateaction.org/ SustainLane's 2008 US City Rankings http://www.sustainlane.com/us-city-rankings/ United States Environmental Protection Agency: Personal Emissions...

The US Environmental Protection Agency (EPA) has set up this site to teach kids about global warming, climate change, and climatology, as well as environmentally friendly habits that benefit the earth. The site allows students and educators to approach ecological issues from various perspectives. Global Warming (What it is) is an introduction to current climatological change. Other resources such...