Katharine Hayhoe: ‘A thermometer is not liberal or conservative’

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The award-winning atmospheric scientist on the urgency of the climate crisis and why people are her biggest hope

Katharine Hayhoe is an atmospheric scientist and director of the Climate Science Center at Texas Tech University. She has contributed to more than 125 scientific papers and won numerous prizes for her science communication work. In 2018 she was a contributor to the US National Climate Assessment and was awarded the Stephen H Schneider award for outstanding climate science communication.

In 2018, we have seen forest fires in the Arctic circle; record high temperatures in parts of Australia, Africa and the US; floods in India; and devastating droughts in South Africa and Argentina. Is this a turning point?
This year has hit home how climate change loads the dice against us by taking naturally occurring weather events and amplifying them. We now have attribution studies that show how much more likely or stronger extreme weather events have become as a result of human emissions. For example, wildfires in the western US now burn nearly twice the area they would without climate change, and almost 40% more rain fell during Hurricane Harvey than would have otherwise. So we are really feeling the impacts and know how much humanity is responsible.

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