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

We Fact-Checked a Bogus “Study” on Global Temperature That’s Misleading Readers

Independent peer-review of scientific research by qualified experts lies at the heart of progress in our understanding of how the natural world works. And posting proposed new scientific findings on the internet without peer-review can lead to some wildly incorrect conclusions being promoted as true. Read more >

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A wide view of the rift in Larsen C from the vantage point of NASA’s DC-8 research aircraft. NASA scientist John Sonntag snapped the photos on November 10, 2016, during an Operation IceBridge flight. Photo: NASA

One of The Largest Icebergs on Record Just Broke off Antarctica. Now What?

An iceberg, among the largest on record (since satellites started tracking in 1978), broke off the Larsen-C ice shelf along the Antarctic Peninsula.  The iceberg is greater than the area of Delaware and a volume twice that of Lake Erie.  What were the origins of this event, and now what?

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IPCC 2013 WG 1 Figure 4-25
Ted Scambos NSIDC NASA
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Tropical Storm Cindy approaches the Gulf Coast, June 20, 2017. Photo: NOAA

Tropical Storm Cindy Brings Life-Threatening Flood Risks: Atlantic Hurricane Season Arrives Early and Strong

For the first time in nearly half a century two named storms occurred simultaneously in the Atlantic before July: Bret and Cindy. Here’s what to watch for to stay safe during tropical storm Cindy. Read more >

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The EPA Budget Cuts Are A Direct Attack on Our Air, Water, and Health

UPDATE (June 26, 11:30 am): The next EPA Senate budget hearing is scheduled to start this Tuesday, June 27, at 9:30 am. UCS will begin tweeting about the hearing once it starts. For more on how you can stand up for science in response to President Trump’s proposed budget cuts, check out our local action toolkit.


Congress will have a chance this week to question why Scott Pruitt proposes to eviscerate the Environmental Protection Agency budget by 30%. Let that sink in—nearly a third of the agency’s activities could vanish.

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New Arctic Climate Change Report: Stark Findings Confront Secretary of State Tillerson Ahead of G7

A new Arctic Monitoring and Assessment Program report will be presented at the Arctic Ministerial meeting in Fairbanks, Alaska this week. It includes two stark findings. Read more >

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