Erika Spanger-Siegfried

Senior analyst, Climate & Energy Program

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Erika Spanger-Siegfried is a senior analyst in the Climate & Energy program at UCS. She currently manages UCS’s coastal and Mountain West climate impacts projects, designed to shed light through new research and outreach on ongoing local impacts, current efforts to cope, and the urgency of high-level action. Erika formerly managed the Energy-Water Initiative (EW3) and, prior to that, the Northeast Climate Impacts Assessment, a research effort to explore climate change, impacts, and solutions in the northeastern United States. She holds a master’s degree in energy and environmental analysis from Boston University. See Erika's full bio.

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Erika's Latest Posts

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Graphic: Climate Change Institute

Global Warming in the Arctic: A Sensitive Climate Gone Off the Rails

Right now temperatures across much of the Arctic are 36 degrees F above normal. Large areas are well above freezing. And instead of rapidly expanding, sea ice extent is in decline. Taken together, this is not unusual. It’s unheard of. Read more >

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King Tides and the “Supermoon”—Time and Tide Wait for No Man

The laws of physics are unchanged by the US presidential election: the planet is still warming, sea levels are still rising, and the moon is still circling the earth. Read more >

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People take in the King Tide spectacle on Boston's Long Wharf, Wednesday, October 19, 2016.

King Tide’s Gift: Gentle Awakenings to a Rapidly Changing World

If this is how we on the coasts get accustomed to living in a climate-changed world—literally “getting our feet wet”—I think we can count ourselves lucky. Because there are much harsher ways to wake up to our changing world. Read more >

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Winter Storm Jonas, Storm Surge, and the Science of Coastal Flooding

Winter Storm Jonas, poised to pound the mid-Atlantic this weekend, could bring record-breaking conditions. Some of the greatest danger will exist along our coasts, as high winds and high tides contribute to storm surge and potentially massive waves. Read more >

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Freakish Winter Warmth: It’s Not Not Global Warming

I’d like to step through a brief montage of recent examples from around the nuzzlingly warm eastern U.S. and get to the point: This warmth is due to several things, including global warming. Read more >

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