World approaching "peak water"
dimanche 7 juillet 2013 à 14:00The world is approaching "peak water", when the supplies of fresh water for growing plants will decrease. Countries including the US, India and China are exhausting the aquifers they use.
We could make enough food with considerably less water, if we ate a lot less beef. However, in the long them, the regions that can't grow food any more need to stop their populations from growing.