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A 1994 Executive Order sought to ensure that minority and low-income populations are not subjected to disproportionately high levels of environmental risk. Studies have shown that these groups are indeed disproportionately exposed to air pollution and other environmental and health problems.
For many years, scientists have observed a warming trend in the earth's climate and have projected additional changes in the coming decades, with potential implications for human society. To provide for the development and coordination of a comprehensive and integrated U.S.
Billions of gallons of hazardous liquid waste are injected into underground wells each year. These Class I hazardous deep injection wells are designed to inject waste into an area below the lowermost underground source of drinking water.
Before 1850, an estimated 16 million salmon and steelhead returned to the Columbia River Basin annually to spawn. Over the past 25 years, the number of salmon and steelhead returning to the Columbia River Basin has averaged only 660,000 per year although annual population levels have varied widely.