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Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [1]: 6 It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies. Contaminants can come from ...
The Clean Air Act amendments of 1970 (CAA) and the Federal Water Pollution Control Act amendments of 1972 (Clean Water Act) moved environmental concerns in a new direction. The new CAA standards that were to be promulgated were unattainable with existing technology—they were technology-forcing.
The 1966 Clean Water Restoration Act authorized a study to determine the effects of pollution on wildlife, recreation, and water supplies. The Act also set forth guidelines for abatement of water that may flow into international territory and prohibited the dumping of oil into navigable waters of the United States.
[229] [230] The new regulations benefit energy companies by making it more difficult for states to block projects such as oil pipelines by using the Clean Water Act. Currently under Section 401 of the Clean Water Act, states can reject any project if they believe it could impact the state's water.
The clean water crisis is an emerging global crisis affecting approximately 785 million people around the world. [56] 1.1 billion people lack access to water and 2.7 billion experience water scarcity at least one month in a year. 2.4 billion people suffer from contaminated water and poor sanitation.
The oil slick as seen from space by NASA's Terra satellite on 24 May 2010. The 2010 Deepwater Horizon oil spill in the Gulf of Mexico has been described as the worst environmental disaster in the United States, releasing about 4.9 million barrels (210 million US gal; 780,000 m 3) of crude oil making it the largest marine oil spill in history.