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2023 was the world\u2019s hottest year on record, and temperatures are expected to continue heating up. Cities, where more than half of the world lives, are contending with this extreme heat. But some places, such as Singapore, are looking for ways to modify aspects of their cities to make them more comfortable for people to live. The Cooling Singapore project is creating a hyper detailed digital twin of the city-state to be able to test the effectiveness of new methods the city would want to implement. WSJ\u2019s Alex Ossola explains what they\u2019ve learned, and how it can help us understand how more cities in the future might make changes to combat heat.\xa0\n\n\n\nWhat do you think about the show? Let us know on Apple Podcasts or Spotify , or email us: FOEPodcast@wsj.com\xa0\n\n\n\nSign up for the WSJ's free The Future of Everything newsletter. \n\nFurther reading: \n\n\n\nThe Cooling Singapore 2.0 project, funded by the Singapore Nat ional Research Foundation, is led by the Singapore ETH Centre in partnership with Cambridge CARES, the National University of Singapore (NUS), Singapore Management University (SMU), the Singapore-MIT Alliance for Research and Technology (SMART), and TUMCREATE (established by the Technical University of Munich).\n\n\n\n2023 Was the Hottest Year on Record\xa0\n\nEarth Just Had Its Hottest Month Ever. How Six Cities Are Coping.\xa0\n\nHow Reflective Paint Brings Down Scorching City Temperatures\xa0\n\nThese Photos Show How Urban Growth Fuels Extreme Heat\xa0\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices