- Center for Sustainability and the Global Environment research on changes in the global environment, land use, water, agriculture, ecosystems and human health–from the University of Wisconsin at Madison
- Climate Change frequently asked questions on climate change from the National Oceanic and Atmospheric Administration
- Earth Trends environmental information from the World Resources Institute
- Envirofacts Data Warehouse environmental information by zip code, city, or county; more in depth information by topic, maps and reports are available, quick start or advanced capabilities functions–from the US Environmental Protection Agency
- Environmental Protection Agency news, local information, teacher resources, information for elementary, middle and high school students
- Environmental Working Group focuses on agriculture, human health and the environment
- United Nations Environment Programme country and regional profiles, nuclear power sites worldwide, greenhouse gas emissions and projections, wildfire status reports
