(Bloomberg) -- A day after California imposed mandatory water restrictions to battle a four-year drought, a new study on global warming suggests the worst is yet to come.

The average number of days with temperatures higher than 95 degrees Fahrenheit (35 degrees Celsius) may double or even triple by the end of the century, threatening one of the world’s richest agricultural regions. At the same time, $19 billion in coastal property will likely disappear as sea levels rise, the study found.

The report is the third from the Risky Business Project, a nonprofit partnership of Bloomberg Philanthropies, the Paulson Institute and TomKat Charitable Trust. It suggests California can reduce these risks if policy makers and business leaders cooperate to reduce emissions driving global warming and adapt to climate change.

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