A recent article supported by AC4 entitled "Enhanced North American carbon uptake associated with El Niño" was published June 5, 2019, in Science Advances. The study found that long-term atmospheric CO2 observations over North America document a persistent response to the El Niño–Southern Oscillation.

This workshop builds on previous investments by IRAP and NOAA in the Caribbean, and provides linkages to ongoing efforts in NOAA and the USGCRP to address climate and health, including heat health.

CPO personnel will contribute presentations to an 11-part seminar series covering a range of topics in the 4th National Climate Assessment (NCA4).

Pacific RISA fostered an inspiring conversation between His Excellency and representatives from Hawai’i state and local government, international consulates, NGOs, and academia.

A new study from ESRL/GMD (partly supported by CPO's AC4 Program) shows that contrary to recent findings, methane emissions in the United States have not increased significantly in the past decade.