Our cities are getting hotter?and it?s killing people
Extreme heat causes more deaths in U.S. cities than all other disasters combined Among all the climate-related disasters that are confronting cities, heat waves are the deadliest. According to the Centers for Disease Control and Prevention, extreme heat now causes more deaths in U.S. cities than all other weather events combined. Longer, more frequent heat waves?like the one affecting most of the nation this week?are expected in the future, meaning summer?s death toll will rise.
Dozens of people have been killed across the U.S. and in Canada this week?including 33 people just in Montreal?after much of the country experienced multiple days that were 100 degrees Fahrenheit and higher. This weekend, California is expected to experience record-setting temperatures in places where wildfires are already burning.
Need proof of a changing climate" Look no further than this week?s heat wave. https://t.co/RTPf7p2bZC? EDF (@EnvDefenseFund) July 5, 2018
Heat waves are especially deadly when nighttime temperatures don?t cool enough to offer urban residents relief. The human body isn?t able to recover from the effects of extreme heat if air temperatures don?t dip below 80 degrees Fahrenheit at night. That?s a bigger problem in cities, which retain their heat more than rural areas.
Not only are heat waves only becoming more intense due to climate change, they?re occurring both earlier and later in the year, according to the National Resources Defense Council (NRDC).
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