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Currently, livestock make up 60% of the biomass of all mammals on earth, followed by humans (36%) and wild mammals (4%). [29] According to the 2019 global biodiversity assessment by IPBES, human civilization has pushed one million species of plants and animals to the brink of extinction, with many of these projected to vanish over the next few ...
Nutrient pollution, a form of water pollution, refers to contamination by excessive inputs of nutrients.It is a primary cause of eutrophication of surface waters (lakes, rivers and coastal waters), in which excess nutrients, usually nitrogen or phosphorus, stimulate algal growth. [1]
Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of organisms that may deplete the oxygen in the water. [1] [2] Eutrophication may occur naturally or as a result of human actions.
Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of organisms that may deplete the oxygen in the water. [79] [80] Eutrophication may occur naturally or as a result of human actions.
Environment destruction caused by humans is a global, ongoing problem. [4] Water pollution also cause problems to marine life. [5] Some scholars believe that the projected peak global population of roughly 9-10 billion people could live sustainably within the earth's ecosystems if humans worked to live sustainably within planetary boundaries.
The human population on Earth is expanding rapidly, which together with even more rapid economic growth is the main cause of the degradation of the environment. [30] Humanity's appetite for resources is disrupting the environment's natural equilibrium.
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Nitrogen and phosphorus loading from human activity has accelerated eutrophication of certain rivers, lakes, and wetlands, resulting in loss of habitat, changes in biodiversity and, in some cases, loss of recreational potential. [11] Lake Winnipeg suffers from the rapid absorption of the elements phosphorus, nitrogen, and carbon.