Delaying global action on climate change by 20 more years will put the goal of keeping the world relatively cool out of reach forever, no matter how much money humanity later spends to try to solve the problem, a new study finds.
Since the 1990s, scientists and international negotiators have aimed to keep global temperatures from warming more than 2 degrees Celsius (3.6 degrees Fahrenheit), but little progress has been made so far in concrete steps toward that goal. The most recent climate talks, in Qatar in December, ended with only modest steps that fail to address growing greenhouse gas emissions, climate scientists said.
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