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Image of the Day: Mexico Passes Climate Change Law

As Mexico’s Popocatepetl volcano erupted, spewing ash into the air, the legislature passed an ambitious law that will reduce carbon emissions by 30 percent below usual levels by 2020, and 50 percent below 2000 levels by 2050, according to Nature. Mexico ranks 11th in the world for both its economy and level of carbon emissions.  The law also stipulates that 35 percent of Mexico’s electricity should come from renewable sources by the year 2024, and requires mandatory emissions reporting by the country's largest polluters. 

Credit: Hector Aiza Rameriz/Corbis

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Small Change in Average, Big Change in Extremes A small increase in average temperature leads to a big increase in extreme heat.

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