Solid aerosols in Arctic atmosphere could impact cloud formation and climate 14 April 2022

Solid aerosols in Arctic atmosphere could impact cloud formation and climate

New research demonstrates the presence of solid organic-coated ammonium sulfate particles in the Arctic boundary layer. As the Arctic loses ice, researchers expect to see more of these unique particles formed from oceanic emissions combined with ammonia from birds, that can change how clouds form and climate.

New research provides insight into the abundance of natural and anthropogenic organic aerosols in the Arctic 25 March 2022

New research provides insight into the abundance of natural and anthropogenic organic aerosols in the Arctic

A new study funded by CPO’s AC4 program expands our understanding of the composition and sources of Arctic organic aerosols.

New research provides insight into the sources and sinks of an ozone-depleting trace gas 11 March 2022

New research provides insight into the sources and sinks of an ozone-depleting trace gas

The research, co-authored by GML scientists and funded in part by CPO’s AC4, narrows the gap between known sources and sinks of methyl bromide.

El Niño driven fires affect the natural emission of an ozone depleting trace gas 4 March 2022

El Niño driven fires affect the natural emission of an ozone depleting trace gas

New study highlights the causes of a large interannual variability in the natural emission of methyl bromide.

Reaction of ⍺-pinene with nitrate is a major contributor in secondary organic aerosol formation 25 February 2022

Reaction of ⍺-pinene with nitrate is a major contributor in secondary organic aerosol formation

New research reveals the contribution of ⍺-pinene + NO3 in the secondary aerosol budget, and likely constitutes a major removal pathway of reactive nitrogen from the lower troposphere.

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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.