The world may have already crossed 5 climate tipping points
Grist
SEPTEMBER 10, 2022
The concept of climate tipping points – when changes in an earth system become self-perpetuating and often irreversible – has been around for decades. In recent years, studies have shown how tree loss within the Amazon, for example, creates a feedback loop where the forest is no longer able to sustain itself, fueling further dieback. Similar dynamics have been observed with permafrost thaw, melting glaciers, and coral reef death.
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