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WIKIPEDIA - Environment of the United States.
The environment of the United States comprises diverse biotas, climates, and geologies.
UNITED NATIONS ENVIRONMENT PROGRAMME - A Thirty-Year State of the Environment and Policy Retrospective - North America's Environ
Focusing on UNEP’s North American region, comprised of Canada and the United States, this report provides an integrated analysis of the state of resource assets and 30–year trends in nine major themes:EPA Home TRI Home TRI is a database containing data on disposal or other releases of over 650 toxic chemicals from thousands of U.S. facilities and information about how facilities manage those chemicals through recycling, energy recovery, and treatment.
EPA - Toxics Release Inventory (TRI) Program
Over 4 billion pounds of toxic chemicals are released by industry into the nation's environment each year, including 72 million pounds of recognized carcinogens. Scorecard can give you a detailed report on chemicals being released from any of 20,000 industrial facilities, or a summary report for any area in the country. Scorecard spotlights the top polluters in the U.S., and ranks states and counties by pollutant releases.
SCORECARD - POLLUTION LOCATOR | Toxic Chemical Releases
EPA - 2008 - Report on the Environment
The Report on the Environment (ROE) presents the best available indicators of information on national conditions and trends in air, water, land, human health, and ecological systems that address 23 questions EPA considers mission critical to protecting our environment and human health. The ROE provides access to the information from the ROE report, published in 2008 with a companion Highlights Document, which includes the underlying methodology, references, and sources of additional information, in an on-line searchable format.