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The depressing reality about climate change is that we could solve the problem, at manageable cost, but are failing to do so. This failure is due to a mixture of blindness and self-deception. The blindness comes from those, such as US president Donald Trump, who deny the reality of climate change. The self-deception comes from those who accept the reality, but only pretend to solve it. We must do better than this — and very soon. This is no longer a scientific or technological challenge, it is far more a political and social one.
The Emissions Gap Report 2018 from the UN lays out the past failure with brutal clarity. This year will most likely be the fourth warmest year on record since 1880, with the past five years the warmest ever recorded. Worse, in 2017 emissions increased once again, after three years of stagnation. We are still to turn this corner.
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