The National Science Foundation and the U.K.’s Natural Environmental Research Council this month announced a joint 5-year, $25 million effort to study Antarctica’s Thwaites Glacier. Nicknamed the “world’s most dangerous glacier,” Thwaites Glacier already is contributing to rising seas; if it collapsed it would raise global sea level by about three feet. The glacier may also act as a linchpin on the whole West Antarctic Ice Sheet, which could raise sea level by much more.
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About twice each decade, the United Nations’ Intergovernmental Panel on Climate Change, or IPCC, looks at what is known about the science of climate change, the extent to which human activities are changing the Earth’s climate, and what risks these changes pose to human and natural systems. Organized into three working groups, each assessment is a years-long international effort that lays out the current understanding, projections for change over this century and options to manage the challenges ahead.
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Eliza Dawson, a former UW crew member who majored in atmospheric sciences at UW’s College of the Environment, is part of a four-woman team that will row across the Pacific Ocean to Hawaii this June. She and her team hope to break the world record for women rowers — 50 days, 8 hours, 14 minutes — set in 2014. Dawson is also taking part in the 2,400-mile rowing race from Monterey, California, to Honolulu to spotlight the far-reaching impacts of humankind on the Earth by rowing across parts of the Great Pacific Garbage Patch, a vast gyre of plastic garbage occupying an area four times the size of California.
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Judy Twedt remembers the moment when she started to think differently about her work on climate change: when the U.S. pulled out of the Paris Agreement. “It was a turning point for me. I realized I needed to start engaging with people on an emotional level.” She thought deeply about how she wanted to spend the remaining two years of her PhD work at the University of Washington, and how to build the emotional connection of climate change as a centerpiece of her dissertation.
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New research from the University of Washington suggests a milder youth for our planet than what has often been cited. An analysis of temperature through early Earth’s history, published the week of April 2 in the Proceedings of the National Academy of Sciences, supports more moderate average temperatures throughout the billions of years when life slowly emerged on Earth. “Ideas about the early Earth’s environment are all over the place, from a very hot world, to one locked in a permanent ice age, from a world with acidic oceans to one with seawater so alkaline it would sting your eyes,” said David Catling, a UW professor of Earth and space sciences.
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