A historic heatwave sizzled much of the Pacific Northwest toward the end of June, with many residents experiencing the hottest days of the year during this period. Portland hit a new all-time high temperature of 116 degrees, while Seattle hit 108 degrees. Across the border, Lytton, a small Canadian village in British Columbia, topped out at 117.5 degrees – the highest temperature ever registered in Canada. 

But what caused such unprecedented warm weather? Scientists across the country believe that climate change is making heat waves more intense and frequent and is reshaping the weather patterns of the world. As humans continue to emit more greenhouse gases into the atmosphere, more energy will be added to the climate system. This, in turn, appears in the form of severe and extreme weather events.

Watch the video to know more. 

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