Environmental Science

EPA Data on air, chemicals, facility information, grants and funding, hazardous waste, superfund, toxic releases, water permits, drinking water, drinking water contaminant occurrence, and drinking water microbial and disinfection byproduct information.

NOAA's National Climatic Data Center (NCDC) is responsible for preserving, monitoring, assessing, and providing public access to the Nation's treasure of climate and historical weather data and information.

Access the most important information about toxic substances and how they affect our health. Provided by the Agency for Toxic Substances and Disease Registry.

Provides unbiased, science-based interpretations of soil test phosphorus and potassium values for crop fertilization.

This page provides direct links to Title 40 of the Code of Federal Regulations (CFR). Title 40 is the section of the CFR that deals with the EPA's mission of protecting human health and the environment.

Congress.gov is the official website for U.S. federal legislative information. The site provides access to accurate, timely, and complete legislative information for Members of Congress, legislative agencies, and the public. It is maintained by the Library of Congress and replaces Thomas.gov.

We provide a number of tools for you to keep track of and participate in the development of new EPA regulations, and to learn how to comply with existing regulations.

FedCenter is the Federal government's home for comprehensive environmental stewardship and compliance assistance information.