Rockets used to launch satellites fall back to Earth, and as their number grows, the risk faced by people living on the ground — or flying in airplanes — increases.
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Articles on Debris
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While climate change poses new threats to trees, it also creates new opportunities for us to work with trees as allies. We must not work against them.
Russia destroyed one of its old satellites during a successful test of an anti-satellite weapon. A space security expert explains what this weapon was and the dangers of the expanding debris field.
With the onset of spring come thunderstorms, and sometimes tornadoes. Learn how these systems form and why night tornadoes are especially deadly.
In response to mudslides that have killed at least 20 people in Southern California, a geologist calls for more resources to study and map landslide hazards so residents can understand the risks.
Green turtles are swallowing twice as much plastic as they were 25 years ago, according to a study from the University of…
Top contributors
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Senior Research Associate, School of Ecosystem and Forest Sciences, The University of Melbourne
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Professor of Earth and Space Sciences, University of Washington
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Professor of Strategy and Security Studies, Air University
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Professor of Meteorology, Penn State
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Professor of Meteorology, Penn State
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Associate Professor of Atmospheric Science and Colorado State Climatologist, Colorado State University
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Professor of Urban Engineering, University of Illinois Chicago
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Director, Global Waste Research Institute, California Polytechnic State University
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Assistant Professor, Florida A&M University-Florida State University College of Engineering, Florida State University
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Associate Professor of Geography, University of Tennessee
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Assistant Professor of Geography, Middle Tennessee State University
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Associate Professor, Physics and Astronomy, University of British Columbia
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Professor, Political Science, University of British Columbia
