Percentage of species projected to lose more than 50% of their range by 2100

Percentage of species projected to lose more than 50% of their range by 2100

Percentage of species projected to lose more than 50% of their range by 2100, because of global warming. If we limit global warming to 1.5°C rather than 2°C above the pre-industrial levels by the year 2100, the impacts of climate change would be much less dramatic. With current pledges, corresponding to ~3.2°C warming, climatically determined geographic range losses of >50% are projected in ~49% of insects, 44% of plants, and 26% of vertebrates. At 2°C, this falls to 18% of insects, 16% of plants, and 8% of vertebrates and at 1.5°C, to 6% of insects, 8% of plants, and 4% of vertebrates. When warming is limited to 1.5°C as compared with 2°C, numbers of species projected to lose >50% of their range are reduced by ~66% in insects and by ~50% in plants and vertebrates. Study: “The projected effect on insects, vertebrates, and plants of limiting global warming to 1.5°C rather than 2°C” by R. Warren, J. Price, E. Graham, N. Forstenhaeusler, J. VanDerWal. Published on ScienceMag.org on May 18, 2018.

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