3-14 percent of terrestrial species are likely to face high risk of extinction due to global warming

Mar 1, 2022

By: Vaamanaa Sethi

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A new IPCC report, which came out on Monday, revealed that around 3-14 percent of species assessed...

... in terrestrial ecosystems are likely to face extinction at global warming levels of 1.5°C.

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This percentage can increase upto 18 percent if the global warming level...

...also increases to 2°C, or increase upto 29 percent at 3°C, or 39 percent at 4°C, or 48 percent at 5°C.

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According to the report, biodiversity loss, damages and transformation of ecosystems...

...are already key risks for every region and this will continue to escalate with increasing global warming.

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Very high extinction risk for endemic species in biodiversity hotspots is projected...

...to at least double from 2 percent between 1.5°C and 2°C global warming levels, says the report.

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The risk of extinction could increase upto at least ten-fold if global warming rises from 1.5°C to 3°C.

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The report further reveals that hundreds of local species have become...

...extinct due to increases in the magnitude of heat extremes.

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“Approximately half of the species assessed globally have shifted polewards...

...or, on land, also to higher elevations,” the report added further.

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In ocean and coastal ecosystems, risk of biodiversity loss ranges between...

...moderate and very high by 1.5°C global warming level, according to the IPCC report.

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And it is likely to remain between moderate to very high by 2°C and...

...can increase to high or very high across most ocean and coastal ecosystems by 3°C.

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Talking about plant species, the report said that the future climate change...

...will also reduce the suitable habitat of protected plants.

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