Almost No Coral Reefs in The World Will Be Safe at 1.5°C Warming, Scientists Warn

Coral reefs have long been regarded as one of the earliest and most significant ecological casualties of global warming.

Finding these refugia is difficult, though, as they are likely to be small and the resolution of climate projections that model changes in ocean temperatures over time tend to be too coarse.Our team increased the resolution of climate model projections by downscaling them with historical data from satellite observations to find out where refugia are likely to persist in the future.

We found that, from 1986 to 2019, 84 percent of the world's reefs offered sufficient thermal refuge. This meant corals had enough time to recover in between bleaching events. With 1.5°C of global warming above pre-industrial levels, only 0.2 percent of these refugia remain. At 2°C of warming, safe havens from heat for coral reefs will no longer exist.from another study would seem to confirm the catastrophic effects of 1.5°C of global warming on coral reefs. This research was carried out independently by scientists in the US using a different method but the same climate models and spatial resolutions.Global warming of 1.

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