The World Bank’s flagship report, Groundswell: Preparing for Internal Climate Migration, and the sequel , finds that that Sub-Saharan Africa is likely to witness high levels of climate-induced mobility. An expanded and deeper analysis through Groundswell Africa, focusing on West African countries, reaffirms this pattern region.

Extreme heat events are likely to become more frequent in the coming decades owing to climate change. Exposure to extreme heat depends not only on changing climate, but also on changes in the size and spatial distribution of the human population. Here we provide a new projection of population exposure to extreme heat for the continental United States that takes into account both of these factors.