Nutrient pollution refers to any excess nitrogen and phosphorus in bodies of water. This kind of pollution has many causes. In some cases, nutrient pollution comes from natural processes, such as ...

About 40 percent of deaths worldwide are caused by water, air and soil pollution, concludes Cornell's David Pimentel. Such environmental degradation, coupled with the growth in world population ...

“In the United States alone, 76,000 people are in the hospital each year, with 5,000 deaths, just due to pollution of air, food or water. Cancers are increasing in the U.S., and AIDS is on the ...

Water pollution causes. Water pollution can come from a variety of sources. Pollution can enter water directly, through both legal and illegal discharges from factories, for example, or imperfect ...

In 2015, pollution killed three times the number of people as AIDS, malaria and tuberculosis combined, and 15 times the number of people killed by war and violence. The study, by the environmental ...