Hazardous air pollution data for the United States. The site is capable of generating reports and maps. It includes the data from the Air Quality System and the National Emission Inventory databases. Developed and maintained by the EPA.
DSIRE is the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.
The World Database on Protected Areas (WDPA) is the most comprehensive global spatial dataset on terrestrial and marine protected areas. From the United Nations Environment World Conservation Monitoring Centre (UNEP-WCMC) with support from IUCN and its World Commission on Protected Areas (WCPA).