Desperate exodus of the climate refugees | Letters

In the last six years, some 140 million people have been forced to move because of climate-related disasters (Mongolian herders fly steppe blighted by climate extremes and social change, 5 January). Climate change is driving long-term environmental damage and sudden catastrophes, presenting a global long-term threat to human security. According to the UN, by mid-century, one in 30 people could be displaced, many as a result of climate change. Existing global inequalities are exacerbated by the i