"A reduction in crop yields caused by climate change could mean up to 6.7 million additional Mexicans will emigrate to the United States by 2080, says a study by Princeton University researchers." The Christian Science Monitor reports that animals are not the only beings who will move because of climate change: "Mexican farmers say they are not surprised by the statistic and have already experienced crop loss due to climate shifts. Some farming groups are asking the government to pass measures to prevent agricultural damage and mass migration."