Scientists are increasingly concerned that the planet is headed for massive, irreversible changes due to global warming. In some cases, those changes have already begun.

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Some of the country's highest home insurance prices are in the central U.S., a region generally considered to be protected from climate-driven disasters such as wildfires and hurricanes.

(Image credit: Rebecca Hersher)

The government's colossal failure to respond after Hurricane Katrina led to major reforms at the nation's top disaster agency. Now, the Trump administration has reversed some of those changes.

(Image credit: Win McNamee)