A few years ago scientists thought climate change wouldn’t cause much harm to overall food production until temperatures in a region rose by three to four degrees Celsius compared to current levels. But in the latest United Nations report on climate change, released today, scientists have revised those estimates, pointing to significant losses with a temperature rise of just two degrees Celsius.
Image: Dry times: The U.N. says climate change will likely hurt crops. http://www.technologyreview.com
