2 December 2022
A recent study supported by AC4 uses modeling methods to improve long-term observational records, confirming an understood trend of decreasing ozone in the lower stratosphere and challenging previous work showing a positive trend in the upper stratosphere.
1 December 2022
The newly approved Air Quality and Community Health Research Subcommittee (ACRS) under the OSTP will be led jointly by NOAA, EPA and NIEHS and co-chaired by CPO’s Atmospheric Chemistry, Carbon Cycle and Climate (AC4) Program Manager Monika Kopacz.
28 November 2022
This AGU 2022 Town Hall session will provide an overview of GeoXO’s recommended AC capabilities and give a status update on the planning process leading up to the expected launch in early 2030s.
11 November 2022
An AC4-funded research study finds model bias related to aerosol concentrations compared to global aircraft field data, and corrects the bias using improved precipitation representation.
28 October 2022
A new AC4-funded study on atmospheric ozone production uses field observations to investigate changes in ozone production on high ozone concentration days during the summer of 2018.