Arid soils in Mauritania: crops often fail because severe drought leaving the Sahel region facing major food crises, affecting thousands of people. (Photo/Pablo Tosco/Oxfam/Flickr).

Climate Change Apartheid: People In Poor Nations 5 Times More Likely To Be Displaced Than Those In Rich Ones

The data is worrying: since the 1970s, the amount of human displacement due to natural disasters has doubled.