With its extreme weather and unraveling public policy, 2017 provided the world with a glimpse of its climate-chaotic future if changes are not made immediately. Ferocious wildfires burned across California, back-to-back major hurricanes devastated coastal and even inland areas, and the Arctic continued to melt. All the while, Washington DC took action to halt the marginal but meaningful progress made under the Obama Administration by withdrawing from the Paris agreement and stacking the Environmental Protection Agency with those who would serve the interests of industry first. In what is yet another warning sign in a long line of alarm bells ringing, 2017 served as a reminder that the disruptive power of climate change is real and that our failure to act will cost us dearly, today and tomorrow.

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Although global emissions had remained flat for three years prior, 2017 marked a return to form, with greenhouse gas emissions rising by two percent. While the United States, despite its change in leadership, maintained a slight decline in emissions, this was more than offset by increases in China and India. This continued rise means that in order to meet the emissions goals to avoid catastrophic climate change, substantial cuts will need to be made quickly over the next few decades. Meanwhile, the worst-case climate-change scenarios predicted by scientists seem to be increasingly likely, according to a recent study published in the journal Nature.

Related: Climate change is squishing the Earth and making oceans heavier

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If the numbers aren’t convincing, the visceral experience of 2017 should make clear the dangers of climate change. Hurricanes Harvey, Irma, and Maria devastated the United States and the Caribbean, leaving much of Puerto Rico still without power and over $200 billion in damages during what was the costliest hurricane season in history. On the other side of North America, wildfires raged in what was also the costliest wildfire season on record. While climate change doesn’t cause wildfires or hurricanes, it creates the conditions that facilitate extreme weather. Meanwhile, the Arctic continues to melt as scientists declare that the region is no longer reliably frozen due to a downward spiral of warming temperatures. The world is not doomed to this climate catastrophe. However, time is rapidly running out.

Via MIT Technology Review

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