Fast Company: If we don't intervene, greenhouse gases may significantly reduce the amount of zinc and iron in crops around the world.
Add one more consequence to the ever-growing list of climate-change repercussions: a threat to human nutrition. In a study released today in Nature, researchers reveal that rising CO2 levels are significantly reducing the amount of two critical dietary nutrients--iron and zinc--in crops. Some two billion people already have iron and zinc deficiencies, and now climate change could...