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There is also the built environment. There, man has changed landscapes and natural environment to make cities and agricultural land. Lal and Stewart estimated global loss of agricultural land by degradation and abandonment at 12 million hectares per year.In contrast, according to Scherr, GLASOD (Global Assessment of Human-Induced Soil Degradation, under the UN Environment Programme) estimated that 6 million hectares of agricultural land per year had been lost to soil degradation since the mid-1940s, and she noted that this magnitude is similar to earlier estimates by Dudal and by Rozanov et al.Such losses are attributable not only to soil erosion, but also to salinization, loss of nutrients and organic matter, acidification, compaction, water logging and subsidence. Human-induced land degradation tends to be particularly serious in dry regions. Human impact on the environment includes impacts on biophysical environments, biodiversity,Trending cardinal birds led zeppelin thank you lyrics signatures poster and other resources. The term is sometimes used in the context of pollution emissions that are produced as a result of human activities but applies broadly to all major human impacts on the environment. These will also force industries and private people to avoid activities that lead to environmental degradation. Biodiversityis important for maintaining the balance of the ecosystem in the form of combating pollution, restoring nutrients, protecting water sources and stabilizing climate. Deforestation, global warming, overpopulation and pollution are a few of the major causes of loss of biodiversity.
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