Climate change North America July 16, 2020The average day in many locations is now hotter, and extremely hot days are becoming more likely. The share of the Northern Hemisphere that experiences an unusually hot summer has increased to 15.0 percent, from 0.2 percent, since 1980. We strive to provide individuals with disabilities equal access to our website. If you would like information about this content we will be happy to work with you. Please email us at: McKinsey_Website_Accessibility@mckinsey.com To read the report, see “Climate risk and response: Physical hazards and socioeconomic impacts,” January 16, 2020.