The UN thinks you're stupid: They suggest that a little extra warmth and some more atmospheric plant food may cause the price of wheat to more than double

Climate change is main barrier to development - United Nations - Telegraph

Climate change and destruction of the environment are the biggest threats to improving wealth and happiness around the world, according to a major United Nations report.
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The UN said that on one estimate, the adverse effects of climate change on grain yields would push prices up, more than doubling the price of wheat.