ENST 302: Community-Based Research Design: Secondary Data Sources

Envirofacts is a single point of access to select U.S. EPA environmental data. This website provides access to several EPA databases that contain information about environmental activities that may affect air, water, and land anywhere in the United States.

Provides access to EPA's data sources organized by subject.

A report of historical annual energy statistics. Included are data on total energy production, consumption, and trade; overviews of petroleum, natural gas, coal, electricity, nuclear energy, renewable energy, as well as financial and environmental indicators; and data unit conversion tables.

The National Water Information System (NWIS) is the nation's principal repository of water resources data. It includes data from more than 1.5 million sites, some in operation for more than 100 years.

The Environmental Data Explorer is the authoritative source for data sets used by UNEP and its partners in the Global Environment Outlook (GEO) report and other integrated environment assessments.

The Global Change Information System (GCIS) is a web-based resource for traceable, sound global change data, information, and products.