New Study Analyzes Oxidation Reactions that Produce Secondary Organic Aerosol in the Atmosphere 5 August 2022

New Study Analyzes Oxidation Reactions that Produce Secondary Organic Aerosol in the Atmosphere

This new AC4-supported study produces a detailed comparative analysis of oxidation reactions that break down certain molecules into secondary organic aerosols, which impact air quality, climate, and human health.

ALPACA 14 July 2022

ALPACA

Critical Air Quality Research in Fairbanks, Alaska

In winter 2022, about fifty scientists from the United States and Europe completed a seven-week atmospheric chemistry study of Fairbanks, Alaska–the state’s second-largest city. 

The study, called the Alaskan Layered Pollution and Chemical Analysis (ALPACA) project, investigated the chemistry of Fairbanks’s air pollution–especially how the pollution behaves in the cold and dark.

 

NOAA upgrades climate website amid growing demand for climate information 12 October 2021

NOAA upgrades climate website amid growing demand for climate information

NOAA’s Climate Program Office today launched a newly redesigned version of Climate.gov, NOAA’s award-winning, flagship website that provides the public with clear, timely, and science-based information about climate.

NOAA awards over $171 million for climate science, community resilience 12 October 2021

NOAA awards over $171 million for climate science, community resilience

NOAA’s Climate Program Office (CPO) announced today a total award amount of $171 million, the highest five-year investment in the program’s history, to support 72 innovative and impactful projects that will improve our nation’s resilience at a critical time in the fight against the climate crisis.

Emissions of a Banned Ozone-depleting Gas are Back on the Decline 9 February 2021

Emissions of a Banned Ozone-depleting Gas are Back on the Decline

Discovery in 2018 posed first real test of the Montreal Protocol

New analyses of global air measurements show that five years after an unexpected spike in emissions of the banned ozone-depleting chemical chlorofluorocarbon CFC-11, they dropped sharply between 2018 and 2019.
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Americans’ health, security and economic wellbeing are tied to climate and weather. Every day, we see communities grappling with environmental challenges due to unusual or extreme events related to climate and weather.