What percentage of species' ranges will be exposed to heatwaves by 2050?

By 2050, 74% of the area within species' current geographic ranges is projected to be exposed to heatwaves.

How do compounding extreme events affect wildlife?

Compounding extreme events multiply their effects on species and habitats, leading to devastating impacts and population declines.

Can rapid emissions cuts prevent the projected impacts on wildlife?

Yes, rapid emissions cuts could largely prevent this trajectory, limiting habitats exposed to multiple extreme event types.

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Species Face Extreme Weather Apocalypse by 2050

24 Apr

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Summary

Most species ranges will face heatwaves by 2050.
Compounding extreme events multiply negative impacts.
Rapid emissions cuts can prevent severe future impacts.

Species Face Extreme Weather Apocalypse by 2050

Scientists predict that by 2050, under a medium-high emissions scenario, 74% of terrestrial vertebrate species' current geographic ranges will be exposed to heatwaves. Additionally, 16% are projected to face wildfires, 8% droughts, and 3% river floods.

These extreme events, especially when they occur in succession, can have devastating and multiplied effects on animal populations and their habitats. For instance, past events have led to mass die-offs and significant species declines, with studies showing greater negative impacts in areas previously affected by drought.