Brenda Ekwurzel

Senior climate scientist

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Brenda Ekwurzel is a senior climate scientist and the director of climate science at UCS. She has expertise on many aspects of climate variability, including the Arctic Ocean and sea ice, wildfires, groundwater, and coastal erosion. She holds a Ph.D. in isotope geochemistry from Columbia University (Lamont-Doherty Earth Observatory). See Brenda's full bio.

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Brenda's Latest Posts

Science 1, Gobbledygook 0: Debunking Trump’s Climate Claims

I had the opportunity on The Lead with Jake Tapper (CNN) to react to recent climate statements by President Trump in an interview with Piers Morgan. Here is a quick review of the evidence refuting two common misrepresentations Trump made about the science. Read more >

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The jet stream and polar vortex on January 3, 2017. Map from the University of Maine Climate Change Institute.

The Polar Vortex, Winter Storm Grayson, and Climate Change: What’s the Connection?

Forecasters are trotting out “polar vortex” and atypical terms like “Nor’easter bomb” and “bombogenesis.” These words signal the unusual and dangerous conditions forecast for winter storm Grayson and their implications for the Southeast US,  Mid-Atlantic, and eventually New England and beyond. What do they mean?   Read more >

University of Maine Climate Change Institute
University of Maine Climate Change Institute
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Arctic Report Card 2017: Ice Cover Is Shrinking Faster Compared With Prior 1500 Years

This year’s NOAA’s Arctic Report Card highlights that the Arctic’s sea ice area is shrinking at a faster pace than in the past 1,500 years–and it’s not rebounding. This information is crucial to the world: What happens in the Arctic influences coastlines everywhere and extreme weather events in the Northern Hemisphere. Read more >

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Abnormal and Catastrophic 2017 Hurricane Season Finally Over

The official end of the 2017 North Atlantic hurricane season, November 30th, has finally arrived.  This year’s season was not normal. Read more >

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What’s the Connection Between Climate Change and Hurricane Harvey?

As Hurricane Harvey slipped back offshore of Texas and then like a pinwheel spun back over to Louisiana and is now moving further inland on a northeast trajectory, questions are already being asked: Is this storm unprecedented? Are there telltale signs of climate change? Read more >

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