Three-quarters of Americans say natural disasters are on the increase, but fewer than ever believe the climate is heating up, a new poll finds.
And only half say they have prepared for calamity by stockpiling three days worth of food and water, Harris reports.
Only 44 percent say they "believe the theory" that carbon dioxide emissions are warming the Earth, down from 51 percent in 2009 and 71 percent in 2007, but most movement has been into the "not sure" column.
The online poll of 2,163 adults was conducted June 13 through 20. Harris does not give margin-of-error figures.
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