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Health, Wellness, Sex and Body Discuss 75% of Earth's Land Areas Are Degraded at the General Discussion; 75% of Earth's Land Areas Are Degraded National Geographic - Stephen Leahy, 2 days ago © Photograph by Robb Kendrick, ...

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Old 03-28-2018, 09:34 PM
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Default 75% of Earth's Land Areas Are Degraded

75% of Earth's Land Areas Are Degraded

National Geographic - Stephen Leahy, 2 days ago


© Photograph by Robb Kendrick, National Geographic Creative Wind erosion causes topsoil loss on over-used or improperly managed farmland, leading to widescale land damage around the world.


More than 75 percent of Earth’s land areas are substantially degraded, undermining the well-being of 3.2 billion people, according to the world’s first comprehensive, evidence-based assessment. These lands that have either become deserts, are polluted, or have been deforested and converted to agricultural production are also the main causes of species extinctions.
If this trend continues, 95 percent of the Earth’s land areas could become degraded by 2050. That would potentially force hundreds of millions of people to migrate, as food production collapses in many places, the report warns. (Learn more about biodiversity under threat.)

“Land degradation, biodiversity loss, and climate change are three different faces of the same central challenge: the increasingly dangerous impact of our choices on the health of our natural environment,” said Sir Robert Watson, chair of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES), which produced the report (launched Monday in Medellin, Colombia).

IPBES is the "IPCC for biodiversity"—a scientific assessment of the status of non-human life that makes up the Earth’s life-support system. The land degradation assessment took three years and more than 100 leading experts from 45 countries.
Rapid expansion and unsustainable management of croplands and grazing lands is the main driver of land degradation, causing significant loss of biodiversity and impacting food security, water purification, the provision of energy, and other contributions of nature essential to people. This has reached “critical levels” in many parts of the world, Watson said in an interview.

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