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Climate tipping points sound scary, especially for ice sheets and oceans – here’s why there’s still room for optimism

  • Written by Alexandra A Phillips, Assistant Teaching Professor in Environmental Communication, University of California, Santa Barbara
Climate tipping points sound scary, especially for ice sheets and oceans – here’s why there’s still room for optimismMeltwater runs across the Greenland ice sheet in rivers. The ice sheet is already losing mass and could soon reach a tipping point.Maria-José Viñas/NASA

As the planet warms, it risks crossing catastrophic tipping points: thresholds where Earth systems, such as ice sheets and rain forests, change irreversibly over human lifetimes.

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