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The researchers smile in front of a plane

UMD, ESSIC Researchers Find Evidence of New CFC Production

In 1986, chlorofluorocarbons (CFCs), chemical compounds known to break down ozone in the atmosphere, were banned by the Montreal Protocol. This led to an immediate rapid decline in emissions. However, recent studies have shown that CFC-11 emissions have increased, suggesting a contribution from eastern Asia.

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Many cars on a highway are stuck in a traffic jam

Dickerson, He, Salawitch Investigate Impact of Vehicle Emissions on Ambient Temperature and Specific Humidity

ESSIC/CISESS Professors Ross Salawitch and Russell R.Dickerson as well as ESSIC/CISESS Assistant Research Professor Hao He have a new paper in Atmospheric Environment titled “Using near-road observations of CO, NOy, and CO2 to investigate emissions from vehicles: Evidence for an impact of ambient temperature and specific humidity”. The paper’s co-authors also include Dolly Hall, Xinrong Ren, and Timothy Canty from the University of Maryland’s Department of Atmospheric and Oceanic Science and Jennifer C. Hains, Daniel C. Anderson, and Cory R. Martin.

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