Radical new directions needed in food production to deal with climate change
Saturday, February 13, 2010 - 16:00
in Earth & Climate
Yields from some of the most important crops begin to decline sharply when average temperatures exceed about 30 degrees Celsius, or 86 Fahrenheit. Projections are that by the end of this century much of the tropics and subtropics will regularly see growing season temperatures above that level, hotter than the hottest summers now on record...