Carbon dioxide peaks near 420 parts per million at Mauna Loa observatory

Atmospheric carbon dioxide measured at NOAA’s Mauna Loa Atmospheric Baseline Observatory peaked for 2021 in May at a monthly average of 419 parts per million (ppm), the highest level since accurate measurements began 63 years ago, scientists from NOAA and Scripps Institution of Oceanography at the University of California San Diego announced today.

GML scientists successfully test high-altitude return glider with the AirCore science package

Global Monitoring Laboratory (GML) and Cooperative Institute for Research in Environmental Sciences (CIRES) scientists successfully tested a new method for high-altitude air sampling and instrument recovery from May 13-25, 2021.

NOAA, Boeing team up to test greenhouse gas-measuring technology

NOAA and Boeing are teaming up to evaluate the best placement for a NOAA greenhouse gas sampling system on a commercial jet by testing options on a new Boeing 737 as part of Boeing’s 2021 ecoDemonstrator flying test bed program.

Asian American, Native Hawaiian, and Pacific Islanders Heritage Month: A Conversation with Field Operations Chief Gataivai “Vai” Talamoa

In honor of Asian American, Native Hawaiian, and Pacific Islanders (AANHPI) Heritage Month, Global Monitoring Laboratory (GML) is highlighting the great work done by our Field Operations Liaison Gataivai Talamoa (known as “Vai”) at the American Samoa Observatory (SMO) and NOAA Pacific Islands Fisheries Science Center (PIFSC).

NOAA index tracks how greenhouse gas pollution amplified global warming in 2020

Extra heat trapped in the atmosphere by human-caused greenhouse gas pollution continued to exacerbate global warming in 2020

NOAA’s Global Monitoring Laboratory Testing High-Altitude Operational Returning Unmanned System at NASA’s Armstrong Flight Research Center and Edwards Air Force Base

Global Monitoring Laboratory (GML) and Cooperative Institute for Research in Environmental Sciences (CIRES) scientists are launching a new AirCore field campaign to test a new method for high-altitude air sampling and instrument recovery.

5 ways NOAA scientists are answering big questions about climate change

Scientists at NOAA have long worked to track, understand and predict how climate change is progressing and impacting ecosystems, communities and economies. This Earth Day, take a look at five ways scientists are studying this far-reaching global trend.

Can we see a change in the CO2 record because of COVID-19?

Despite pandemic shutdowns, carbon dioxide and methane surged in 2020

Levels of the two most important anthropogenic greenhouse gases, carbon dioxide and methane, continued their unrelenting rise in 2020 despite the economic slowdown caused by the coronavirus pandemic response.

Women’s History Month: A conversation with NOAA Corps Officer LTJG Marisa about her 13 months “on the ice”

In honor of Women’s History Month, Global Monitoring Laboratory (GML) is highlighting some of the great work done by our scientists. Today’s story expands on a previous one introducing a day in the life at the South Pole for NOAA Corps Officer Lieutenant Junior Grade Marisa Gedney, who served as a Station Officer at the Amundsen-Scott South Pole Station in Antarctica.

Measuring greenhouse gases in Africa - while working from home in Boulder

A profile of Kathryn McKain, a research scientist with CIRES and GML.

GML Employee of the Quarter

COVID-19 Lockdowns Reduced Ozone Pollution Over the Northern Hemisphere

During COVID-19 shutdowns last year, ozone levels in the lower atmosphere fell by seven percent across much of the Northern Hemisphere, according to a new study.

Emissions of a banned ozone-depleting gas are back on the decline

Five years after an unexpected spike in emissions of the banned ozone-depleting chemical chlorofluorocarbon CFC-11, emissions dropped sharply between 2018 and 2019, new analyses of global air measurements show.

GML Scientist elected AGU Fellow

Dr. Edward J. Dlugokencky, Global Monitoring Laboratory, was awarded as an AGU Fellow for the class of 2020.