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ANTALYA, Turkey—Amid upbeat green-tech pep talks and notices for happy hours at the annual United Nations COP31 climate change conference on Thursday, two new reports offered a stark reminder of how far the world remains from containing global warming.

Climate Action Tracker, a nonprofit group that analyzes climate policies, found that the planet is still on track to warm nearly 5 degrees Fahrenheit by 2100, a rise that would devastate coral reefs, disrupt agriculture and forests and melt most of the world’s ice. In a separate bulletin, the European Union’s Copernicusclimate change service reported that global warming has accelerated significantly since the 2015 Paris climate agreement.