من الظواهر الطبيعية التي تغير النظام البيئي. تأثير الإنسان على البيئة

"Climate change caused by human activities is happening and it already has major consequences" This assessment concludes, based on extensive evidence, that it is extremely likely that human activities, especially emissions of greenhouse gases, are the dominant cause of the observed warming since the mid-20th century
Thakkar, Himanshu 8 November 1999 In addition to warming, many other aspects of global climate are changing, primarily in response to human activities

النظام البيئي: تغير النظام البيئي

Ripple WJ, Wolf C, Newsome TM, Galetti M, Alamgir M, Crist E, Mahmoud MI, Laurance WF 13 November 2017.

نظام بيئي
Thakkar, Himanshu 8 November 1999
كيف يتغير النظام البيئي
Thousands of studies conducted by researchers around the world have documented changes in surface, atmospheric, and oceanic temperatures; melting glaciers; diminishing snow cover; shrinking sea ice; rising sea levels; ocean acidification; and increasing atmospheric water vapor
بعض الظواهر الطبيعية قد تسبب التغيرات المفاجئة في النظام البيئي
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The Politics of Total Liberation: Revolution for the 21st Century Oceans play an important role in keeping the Earth's carbon cycle in balance
By 2050 the human population will top 9 billion, and world meat consumption will likely double Publication 16, International Institute for Land Reclamation and Improvement ILRI , Wageningen, The Netherlands

بعض الظواهر الطبيعية قد تسبب التغيرات المفاجئة في النظام البيئي

In: Annual Report 1988, International Institute for Land Reclamation and Improvement ILRI , Wageningen, The Netherlands, pp.

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النظام البيئي: تغير النظام البيئي
Summary report 2010 national resources inventory
نظام بيئي
The Politics of Total Liberation: Revolution for the 21st Century
دعم إدارة النظام البيئي السليمة
"Consensus on consensus: a synthesis of consensus estimates on human-caused global warming"