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2 ημέρες πριν · The Clean Air Act (CAA) is the United States' primary federal air quality law, intended to reduce and control air pollution nationwide. Initially enacted in 1963 and amended many times since, it is one of the United States' first and most influential modern environmental laws.
10 Ιουν 2024 · EPA sets national air quality standards for six common air pollutants. Each year EPA tracks the levels of these air pollutants in the air. EPA posts the results of our analyses to this web site.
22 Ιουν 2024 · In the 1950s, 1970s, and 1990s, the United States Congress enacted a series of Clean Air Acts which significantly strengthened regulation of air pollution. Individual U.S. states, some European nations and eventually the European Union followed these initiatives.
3 ημέρες πριν · Clean Air Act (CAA), U.S. federal law, passed in 1970 and later amended, to prevent air pollution and thereby protect the ozone layer and promote public health. The Clean Air Act (CAA) gave the Environmental Protection Agency (EPA) the power it needed to take effective action to fight environmental pollution.
5 ημέρες πριν · Colmer, J., Hardman, I., Shimshack, J. & Voorheis, J. Disparities in PM 2.5 air pollution in the United States. Science 369, ... B. H. Controlling the false discovery rate: a new application to ...
27 Ιουν 2024 · This site provides air quality data collected at outdoor monitors across the United States, Puerto Rico, and the U. S. Virgin Islands. Users can download, output, view or visualize the data.
14 Ιουν 2024 · NASA-Led Mission to Map Air Pollution Over Both U.S. Coasts. This summer between June 17 and July 2, NASA will fly aircraft over Baltimore, Philadelphia, parts of Virginia, and California to collect data on air pollutants and greenhouse gas emissions.
