An analysis of heat wave patterns has concluded that climate change will overtake natural variability as the main cause of heat waves in both the western U.S. and Great Lakes region by the 2030s. During the last week in June 2018 227 U.S. records were broken for highest temperature

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An analysis of heat wave patterns has concluded that climate change will overtake natural variability as the main cause of heat waves in both the western U.S. and Great Lakes region by the 2030s. During the last week in June 2018 227 U.S. records were broken for highest temperature