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One fifth of ecosystems is in danger of collapse 8 months 1 hour ago #82

One-fifth of ecosystems is in danger of collapse – here’s what that might look like.

-One-in-five countries are at risk of their ecosystems collapsing, according to recent research.
- When ecosystems collapse, they rapidly lose their structure and function, with dramatic changes to their size or extent.
- Collapse on this scale would threaten more than half of global GDP (US$42 trillion, or £32 trillion).
- Professor of Physical Geography, John Dearing explains what collapse means - and what we can do about it.
One in five countries are at risk of their ecosystems collapsing, threatening more than half of global GDP (US$42 trillion, or £32 trillion), according to recent research. This scary-sounding statistic raises all sorts of questions. What does “ecosystem collapse” actually mean? What causes an ecosystem to collapse and how do we know when it’s happened? Perhaps most important of all, what comes next?

www.weforum.org/agenda/2020/11/ecosystem...apse-climate-change/
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