OTTAWA—Over the Thanksgiving weekend Canadians were reminded again of the perils of unaddressed climate change. The Intergovernmental Panel on Climate Change released a gloomy report. Effectively the panel argued that limiting warming to 1.5 degrees Celsius above pre-industrial levels means the world can keep “a semblance” of the ecosystems we have; conversely, adding another 0.5 degrees on top of that—which would still be within the realm of the desired target nailed down in the Paris Agreement—means a different and more challenging Earth for people and other species. In a few decades, it may not just be the turkey that is getting cooked if you believe the panel’s findings.
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