International regulations have reduced aerosol pollutants released from ships. Now, researchers want to use ship tracks to better understand the ambiguous effects that cleaner air has on climate.
transportation
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Arctic Shipping Routes Are Feeling the Heat
Climate science and the global shipping industry collide in an ice-poor Arctic.
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Lake Michigan’s Salinity Is on the Rise
Road salt is primarily to blame for the shift, though the water remains within safe levels for now.
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Space Weather Lessons from a 1928 Dirigible Debacle
Analysis of a disrupted SOS signal during an early polar expedition showcases the importance of taking space weather into account when exploring new frontiers.
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Hackathon Participants Solve Global Problems—from Home
More than 200 participants from 38 countries joined the virtual INSPIRE Hackathon to solve problems in food security, transportation, and more.
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Road Dust: A Health Hazard Hidden in Plain Sight
Legacy heavy metals from past industrial activity combine with traffic paint; asphalt; and bits of tires, brakes, and car parts to create toxic dust on our roadways.
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Ocean-Based Actions Provide Big Opportunities to Curb Emissions
A new report outlines key areas to help mitigate emissions, including increased renewable energy, more efficient ocean-based transport, and advances in managing fisheries and aquaculture.
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This Bridge Monitors the Environment and Harnesses Tidal Energy
The “smart” Memorial Bridge spanning the Piscataqua is outfitted with a tidal turbine and more than 40 sensors.
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Contrails’ Climate Impact Could Triple by 2050
Contrail cirrus clouds have warmed the atmosphere more than all the carbon dioxide from planes since the dawn of aviation and will do so even more in the future.
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Novel Air Pollution Study Gauges Individual Cyclists’ Risks
By attaching an array of instruments to bike commuters in New York City, researchers aim to evaluate ambient pollution amounts and doses at the level of an individual cyclist.