Water pollution Water pollution is a major global problem which requires ongoing evaluation and revision of water resource policy at all levels. It has been suggested that it is the leading worldwide cause of deaths and diseases, and that it accounts for the deaths of more than 14,000 people daily. An estimated 700 million Indians have no access to a proper toilet, and 1,000 Indian children die of diarrheal sickness every day. Some 90% of China's cities suffer from some degree of water pollution, and nearly 500 million people lack access to safe drinking water. In addition to the acute problems of water pollution in developing countries, developed countries continue to struggle with pollution problems as well. In the most recent national report on water quality in the United States, 45 percent of assessed stream miles, 47 percent of assessed lake acres, and 32 percent of assessed bays and estuarine square miles were classified as polluted.
WATER:
Water is typically referred to as polluted when it is impaired by anthropogenic contaminants and either does not support a human use, such as drinking water, and/or undergoes a marked shift in its ability to support its constituent biotic communities, such as fish. Natural phenomena such as volcanoes, algae blooms, storms, and earthquakes also cause major changes in water quality and the ecological status of water.
Clean and plentiful water provides the foundation for prosperous communities. We rely on clean water to survive, yet right now we are heading towards a water crisis. Changing climate patterns are threatening lakes and rivers, and key sources that we tap for drinking water are being overdrawn or tainted with pollution. NRDC experts are helping to secure safe and sufficient water for people and the environment by:* Promoting water efficiency strategies to help decrease the amount of water wasted;
* Protecting our water from pollution by defending the Clean Water Act and advocating for solutions like green infrastructure;
* Helping prepare cities, counties and states for water-related challenges they will face as a result of climate change; and
* Ensuring that waterways have enough water to support vibrant aquatic ecosystems.
Promoting Water Efficiency:
Despite the many existing pressures on our water resources, there are cost-effective solutions that will allow us to transform our relationship with water. To address increasing water scarcity in many places in the nation, NRDC is working to promote investments and policies that increase water use efficiency and decrease water waste, such as:
* Adopting sensible standards for efficient appliances, buildings, and irrigation;
* Supporting cost-effective investments by utilities to help customers save water; and
* Improving pricing structures to save both water and money.
Protecting Clean Water:
Dirty water is the world's biggest health risk, and continues to threaten both quality of life and public health in the United States. When water from rain and melting snow runs off roofs and roads into our rivers, it picks up toxic chemicals, dirt, trash and disease-carrying organisms along the way. Many of our water resources also lack basic protections, making them vulnerable to pollution from factory farms, industrial plants, and activities like fracking. This can lead to drinking water contamination, habitat degradation and beach closures. NRDC is working to protect our water from pollution by:
* Drawing on existing protections in the Clean Water Act, and working to ensure that the law's pollution control programs apply to all important waterways, including headwater streams and wetlands, which provide drinking water for 117 million Americans;
* Improving protections to reduce pollutants like bacteria and viruses, which threaten Americans' health and well being; and
* Establishing new pollution limits for top problem areas, such as sources of runoff and sewage overflows.
Water and Climate Change:
From more severe and frequent droughts to unprecedented flooding, many of the most profound and immediate impacts of climate change will relate to water. More than one-third of all counties in the lower 48 states will face higher risks of water shortages by mid-century as a result of global warming. Other impacts will include sea level rise, saltwater intrusion, harm to fisheries and more frequent and intense storm events. To help communities prepare, NRDC is creating tools that help the public and government officials to better understand and anticipate the water-related impacts of climate change at a state, county, and city level. We also promote ways to reduce wasted energy resulting from inefficient water collection, treatment and distribution.
Preserving Water Ecosystem:
Fish, birds and wildlife depend on clean water, just as people do. NRDC works to protect and restore important waterways to ensure that there is enough water flowing to keep these ecosystems intact and functioning. In the San Francisco Bay-Delta -- the largest estuary on the west coast -- we are stopping unsustainable water withdrawals that threaten endangered fish species and their habitat through a range of litigation tools. We are also continuing to restore water flows to California's second largest river, the San Joaquin River. Through implementation of the historic San Joaquin River Restoration Settlement, an agreement won after 18 years of litigation brought by a coalition of conservation and fishing groups, and led by NRDC, the settlement will restore water flows and reintroduce salmon to the San Joaquin.
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1 comments:
water pollution is very dangerous to health
we must take care our water we drink
thanks for giving us such a great information
related to water diseases
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