According to a new study, the threshold for dangerous global warming will likely be crossed in as soon as 5 years, between 2027 and 2042- a much narrower window than the IPCC’s estimate of between now and 2052. 

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Co-author Bruno Tremblay, a professor in the Department of Atmospheric and Oceanic Sciences at McGill University, says, “Climate skeptics have argued that global warming projections are unreliable because they depend on faulty supercomputer models. While these criticisms are unwarranted, they underscore the need for independent and different approaches to predicting future warming.” 

Co-author Shaun Lovejoy, a professor in the Physics Department at McGill University, says, “Now that governments have finally decided to act on climate change, we must avoid situations where leaders can claim that even the weakest policies can avert dangerous consequences. With our new climate model and its next generation improvements, there’s less wiggle room.”

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