Figure S6 indicates the projected changes in species richness globally at the four levels of warming (1.5°, 2°, 3.2°, 4.5°C above pre-industrial levels) and, where appropriate, (for animals) including or excluding realistic dispersal.

We find substantial benefits to limiting warming to 1.5°C above preindustrial levels as compared with 2°C by 2100. The number of insect species projected to lose >50% of their range is reduced by about 66%, whereas the number of plant and animal species projected to lose more than half their range is reduced by ~50%.

Matt’s note: insects are vital pollinators for agricultural purposes



ICHEC Global climate temperature visualizations

Jan 24, 2020

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