Water pollution: An introduction to causes, effects, solutions. By Chris Woodford.
Last updated: June 29, 2015. Over two thirds of Earth's surface is covered by water; less than a third is taken up by land. As Earth's population continues to grow, people are putting ever-increasing pressure on the planet's water resources. In a sense, our oceans, rivers, and other inland waters are being "squeezed" by human activities—not so they take up less room, but so their quality is reduced. Poorer water quality means water pollution. We know that pollution is a human problem because it is a relatively recent development in the planet's history: before the 19th century Industrial Revolution, people lived more in harmony with their immediate environment.
How serious is the problem? Photo: Detergent pollution entering a river. What is water pollution? Water pollution can be defined in many ways. Thus, water pollution is all about quantities: how much of a polluting substance is released and how big a volume of water it is released into. Sewage Nutrients. La lutte contre la pollution de l'eau et sa prévention. « BonPatron » correcteur d'orthographe et de grammaire en ligne pour les textes français. Water Pollution Facts, Effects of Water Pollution, Clean Water Act. 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; andEnsuring that waterways have enough water to support vibrant aquatic ecosystems.
Effects of water pollution. 1.
Human Health We all drink water that comes from a source: this may be a lake or local river. In countries that have poor screening and purification practices, people often get water-borne disease outbreaks such as cholera and tuberculosis. Every year, there are an estimated 3–5 million cholera cases and 100,000–120,000 deaths due to cholera. (WHO estimates that only 5–10% of cases are officially reported.) In developed countries, even where there are better purification methods, people still suffer from the health effects of water pollution. 2. Nutrient pollution from upstream (creeks and streams) often flow downhill and even travel miles into other larger water bodies. 3.
Clean Water & Sanitation. OIC International’s Clean Water and Sanitation programs aim to make measurable and sustainable improvements in water supply, sanitation, hygiene, and the overall environment in the communities we serve.
We recognize that in order to successfully improve health in developing areas, programs must be comprehensive, targeting both the direct and indirect causes of poor health and nutrition. We therefore integrate our water and sanitation projects into our health and nutrition programs, as well as our workforce & enterprise development and food security & agriculture programs. What are the effects of water pollution. Effects of water pollution.
You will notice in the previous pages that water pollution is very harmful to humans, animals and water life. The effects can be catastrophic, depending on the kind of chemicals, concentrations of the pollutants and where there are polluted. Below, we shall see a summary of the effects of water pollution. (Make sure you see the factsheet page for some very unfortunate incidents of water pollution in recent time) The effects of water pollution are varied and depend on what chemicals are dumped and in which locations. Many water bodies near urban areas (cities and towns) are highly polluted. Death of aquatic (water) animals The main problem caused by water pollution is that it kills life that depends on these water bodies. Disruption of food-chains Pollution disrupts the natural food chain as well. Diseases Eventually, humans are affected by this process as well.