A new study, which researchers have called "the most exhaustive end-to-end analysis of climate change impacts yet performed", predicts that global warming could be twice as bad as previous estimates had suggested.
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The most impactful way to lower the projections would be to significantly reduce human-produced greenhouse gas emissions, according to the researchers.
While complex factors such as human economic activity can be difficult to quantify exactly in a computer model, it's increasingly clear that those kinds of factors have a significant impact on global climate. As this study portrays, the more comprehensive and sophisticated our computer models get, the grimmer the news.
In other words, as our models become increasingly more accurate compared to previous models, global warming reveals itself as more acute rather than less. And it becomes much more apparent just how large of an impact human-induced factors can have on climate change.
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http://www.reuters.com/article/mnCarbonEmissions/idUS148975034620090522>