June 17, 2021

New analysis shows microbial sources fueling rise of atmospheric methane

The sudden and sustained rise in atmospheric levels of the potent greenhouse gas methane since 2007 has posed one of the most significant and pressing questions in climate research. A research team led by CIRES and NOAA scientists has tested the leading theories for surging methane levels by analyzing the stable carbon isotope ratios (δ13C-CH4) from methane captured in a large set of global air samples.
June 7, 2021

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.
June 4, 2021

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.
June 3, 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.
May 24, 2021

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
May 23, 2021

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.
April 20, 2021

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.
April 8, 2021

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.
March 25, 2021

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

A profile of Kathryn McKain, a research scientist with CIRES and GML.
January 7, 2021

GML Scientist elected AGU Fellow

Dr. Edward J. Dlugokencky, Global Monitoring Laboratory, was awarded as an AGU Fellow for the class of 2020.
November 19, 2020

US Methane “Hotspot” is Snapshot of Local Pollution

A giant methane cloud caught by satellite in 2014 looming over the U.S. Southwest wasn’t a persistent hotspot, as first thought. Instead, the methane cloud was the nightly build-up of polluted air that trapped emissions of the potent greenhouse gas near the ground, according to a new CIRES- and NOAA-led study.
October 12, 2020

Lawns provide surprising contribution to L.A. Basin’s carbon emissions

The Los Angeles Basin is often thought of as a dry, smoggy, overdeveloped landscape. But a new study led by NOAA and the University of Colorado, Boulder 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.
June 4, 2020

Rise of carbon dioxide unabated

Seasonal peak reaches 417 parts per million at Mauna Loa observatory
June 1, 2020

Tracking fossil fuel emissions with carbon-14

Researchers from NOAA and the University of Colorado Boulder have devised a breakthrough method for estimating national emissions of carbon dioxide from fossil fuels using ambient air samples and a well-known isotope of carbon that scientists have relied on for decades to date archaeological sites.