Economic dataRefugee flowsHeat zones
Climate exodus
SOUTH Asia may see a vast movement of people as climate change makes parts of the region harder to live in. According to the International Organisation for Migration, as many as 40.5m people could be forced to move by 2050. The warning deserves attention for what such displacement could mean for a region already struggling with poverty, overcrowded cities, unemployment, and competition for resources. From the sinking coastlines of Bangladesh to the drought-hit districts of Pakistan, climate pressures are threatening millions of livelihoods. But it is not just the communities directly affected