Loss of Biodiversity

Despite knowing about biodiversity’s importance for a long time, human activity has been causing massive extinctions. As the Environment New Service, reported back in August 1999 (previous link): the current extinction rate is now approaching 1,000 times the background rate and may climb to 10,000 times the background rate during the next century, if present trends continue [resulting in] a loss that would easily equal those of past extinctions. (Emphasis added)

 

A major report, the Millennium Ecosystem Assessment, released in March 2005 highlighted a substantial and largely irreversible loss in the diversity of life on Earth, with some 10-30% of the mammal, bird and amphibian species threatened with extinction, due to human actions. The World Wide Fund for Nature (WWF) added that Earth is unable to keep up in the struggle to regenerate from the demands we place on it.

   

At threat of extinction are:

·        1 out of 8 birds

·        1 out of 4 mammals

·        1 out of 3 amphibians

   

    75% of genetic diversity of agricultural crops has been lost

   

    75% of the world’s fisheries are fully or over exploited

 

Up to 70% of the world’s known species risk extinction if the global temperatures rise by more than 3.5°C

   

Over 350 million people suffer from severe water scarcity

 

 

Resources:

http://www.globalissues.org/article/171/loss-of-biodiversity-and-extinctions

 

Get Involved:

http://www.rainforestconservation.org/rainforest-primer/2-biodiversity/g-recent-losses-in-biodiversity/10-how-can-the-loss-of-biodiversity-be-halted/

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