Climate Risk Areas Initiative News

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.

Summertime Droughts Lead to Worsening Ozone Pollution in U.S. Southeast 18 February 2022

Summertime Droughts Lead to Worsening Ozone Pollution in U.S. Southeast

Drought conditions lead to an increase in summertime ozone in the U.S. Southeast but not the West, highlighting the long-term impact of droughts on atmospheric composition.

North American Methane Emissions Over the Last Decade Higher than National Inventories Suggest 25 January 2022

North American Methane Emissions Over the Last Decade Higher than National Inventories Suggest

Methane emissions trends for North America may be higher than reported by national inventories, primarily due to underestimation in emissions from the oil sector. 

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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.