Cascade Tuholske

  • Postdoctoral Research Scientist, Center for International Earth Science Information Network (CIESIN), Columbia Climate School, Columbia University
Rising global temperatures are increasing heat risks for outdoor workers and the urban poor. Ahmad Al-Rubaye/AFP via Getty Images

Dangerous urban heat exposure has tripled since the 1980s, with the poor most at risk

Hot, humid population centers are becoming epicenters of heat risk as climate changes worsens. It’s calling into question the conventional wisdom that urbanization uniformly reduces poverty.

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