Here's one of many examples https://www.nature.com/articles/nclimate3322 https://www.nature.com/articles/nclimate3322 >Around 30% of the world’s population is

Here's one of many examples https://www.nature.com/articles/nclimate3322 https://www.nature.com/articles/nclimate3322 >Around 30% of the world’s population is currently exposed to climatic conditions exceeding this deadly threshold for at least 20 days a year. By 2100, this percentage is projected to increase to ∼48% under a scenario with drastic reductions of greenhouse gas emissions and ∼74% under a scenario of growing emissions.