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Species Face Extreme Weather Apocalypse by 2050
24 Apr
Summary
- Most species ranges will face heatwaves by 2050.
- Compounding extreme events multiply negative impacts.
- Rapid emissions cuts can prevent severe future impacts.
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.
By 2085, a significant portion of species' range areas could be exposed to multiple extreme event types. However, a future with rapidly declining emissions could dramatically limit this exposure, preserving critical habitats.
