If we accept that broadly 500 million people are at risk today, we expect that to increase by about 10% by the middle part of this century. |
The greatest proportion, about three-quarters of that number, will be in Africa. |
We expect climate change to aggravate current problems of the number of millions of people at risk of hunger, probably to the tune of 50 million, |
We expect climate change to aggravate current problems, |