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1,000-year rainfall, record-breaking surge: How climate change made Hurricane Ian more destructive

CNN · Angela Fritz, Brandon Miller · last updated

Scientists are confident that climate change is increasing the rainfall rate in hurricanes. It’s also making storms stronger and pushing them to intensify faster.

Related Knowledge Center: Climate science

State of Play

What began as a theory in the 1890s — that industrial emissions of carbon dioxide could increase global temperatures — had progressed to a scientific fact a century later. Scientists across a range of disciplines are studying the impact of the still-growing concentration of carbon dioxide and other so-called “greenhouse gases” in the atmosphere as they call for industrial and governmental policies to slow, then halt, the warming of the planet. 

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