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Greenhouse gas pollution trapped 49% more heat in 2021 than in 1990, NOAA finds

Greenhouse gas pollution trapped 49% more heat in 2021 than in 1990, NOAA finds

The Annual Greenhouse Gas Index serves as a measure of global society's progress - or lack of progress - in reducing greenhouse gas emissions.

May 23, 2022 0 Comments
Urban areas across the U.S. are undercounting methane emissions, a new study shows

Urban areas across the U.S. are undercounting methane emissions, a new study shows

An eight-year study of Boston’s natural gas system has revealed that emissions of methane, a powerful greenhouse gas, are significantly higher than previously estimated.

October 28, 2021 0 Comments
New analysis shows microbial sources fueling rise of atmospheric methane

New analysis shows microbial sources fueling rise of atmospheric methane

The sudden and sustained risesine 2007  in atmospheric levels of the potent greenhouse gas methane has posed one of the most significant and pressing questions in climate research: Where is it coming from?

June 17, 2021 0 Comments
NOAA index tracks how greenhouse gas pollution amplified global warming in 2020

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

The annual analysis of samples collected by NOAA’s Global Greenhouse Gas Reference Network provides an updated measure of the excess heat trapped in the atmosphere by greenhouse gas pollution.

May 24, 2021 0 Comments
Seafloor mapping data reveals large number of gas seeps off U.S. West Coast

Seafloor mapping data reveals large number of gas seeps off U.S. West Coast

The West Coast continental shelf is known to host methane bubble streams, formerly thought to be rare. Now, a new discovery sheds light on the extent and distribution of seafloor methane seeps. 

April 30, 2021 0 Comments
US methane “hotspot” is snapshot of local pollution

US methane “hotspot” is snapshot of local pollution

The giant methane cloud spotted by satellite over the U.S. Southwest that made national headlines in 2014 wasn’t a persistent, undiscovered “hotspot” as first thought, but the result of a nightly atmospheric condition and topography that trapped industrial and natural emissions of the potent greenhouse gas near the ground in the basin overnight, according to new research published in the journal Elementa by CIRES and NOAA.

November 24, 2020 0 Comments
Warming influence of greenhouse gases continues to rise, NOAA finds

Warming influence of greenhouse gases continues to rise, NOAA finds

NOAA’s Annual Greenhouse Gas Index tracks the concentrations of greenhouse gases being added to the atmosphere principally from human-caused emissions. The AGGI then calculates the heat being added to Earth's atmosphere and oceans as a result. 

May 28, 2020 0 Comments
Airborne research shows East Coast cities emitting twice as much methane as estimated

Airborne research shows East Coast cities emitting twice as much methane as estimated

A new NOAA and University of Michigan study using an instrumented airplane has found unexpectedly large emissions over five major cities along the East Coast - twice the total amount of methane and almost 10 times the amount estimated from natural gas.

July 22, 2019 0 Comments
New National Academies' report lays out path forward for methane research

New National Academies' report lays out path forward for methane research

A new National Academies of Sciences' report calls on several federal agencies to work together to improve techniques for measuring one of the most important greenhouse gases produced by humans - methane.

March 27, 2018 0 Comments
Study finds fossil fuel methane emissions greater than previously estimated

Study finds fossil fuel methane emissions greater than previously estimated

Methane emissions from fossil fuel development around the world are up to 60 percent greater than estimated by previous studies, according to new research led by scientists from NOAA and CIRES. The study found that fossil fuel activities contribute between 132 million and 165 million tons of the 623 million tons of methane emitted by all sources every year. That’s about 20 to 25 percent of total global methane emissions, and 20 to 60 percent more than previous studies estimated.


October 5, 2016 0 Comments
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