Widespread mortality of warm-water coral reefs under way as the world reaches the first climate tipping point, signaling urgent action needed now.
The report warns that surpassing 1.5°C of warming brings closer the next tipping points, including ice sheets, Amazon dieback, and ocean-current collapse.
The report urges rapid deployment of green tech and societal change to trigger positive tipping points that avert cascading climate risks before COP30.