California-Native Trees Uptake of Acyl Peroxynitrate Keeps Nitrogen Oxides From Re-entering Atmosphere 3 November 2020

California-Native Trees Uptake of Acyl Peroxynitrate Keeps Nitrogen Oxides From Re-entering Atmosphere

Atmospheric Chemistry, Carbon Cycle, & Climate (AC4)-funded researchers determine acyl peroxynitrate, one possible result from nitrogen oxide (NOx) reacting in the atmosphere, can act as a NOx sink rather than a reservoir in rural and remote forested regions.

Machine Learning Reveals Top Environmental Predictors for Wildfire in South Central United States 26 October 2020

Machine Learning Reveals Top Environmental Predictors for Wildfire in South Central United States

Researchers funded in part by AC4 have developed a fire prediction model which incorporates multiple machine learning algorithms to better predict areas burned by wildfire in the US south central region.

Lawns & Landscaping Provide Surprising Contribution to Los Angeles Basin’s Carbon Emissions 13 October 2020

Lawns & Landscaping Provide Surprising Contribution to Los Angeles Basin’s Carbon Emissions

The Los Angeles Basin is often thought of as a dry, smoggy, overdeveloped landscape. But a new study funded in part by CPO's Atmospheric Chemistry, Carbon Cycle, and Climate Program shows that the manicured lawns, emerald golf courses and trees of America’s second-largest city have a surprisingly large influence on the city’s carbon emissions.

PNAS Study Improves Representation of Dry Deposition in Climate and Air Quality Models 13 October 2020

PNAS Study Improves Representation of Dry Deposition in Climate and Air Quality Models

Atmospheric scientists, funded in part by CPO’s Atmospheric Chemistry, Carbon Cycle and Climate (AC4) program, developed an improved method to represent the removal of aerosols from the atmosphere in climate and air quality models.

NOAA’s Climate Program Office Awards $48.7M to Advance Climate and Decision Support Science, Build Community Resilience 6 October 2020

NOAA’s Climate Program Office Awards $48.7M to Advance Climate and Decision Support Science, Build Community Resilience

“From using machine learning to develop critical atmospheric datasets to creating an experimental system for rapidly assessing causes of extreme events, these new awards will expedite climate science discoveries and build the library of resilience solutions needed to protect all sectors of our economy and environment.”

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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.