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Methane big part of 'alarming' rise in planet-warming gases


Methane big part of 'alarming' rise in planet-warming gases06-04-2023 19:57
HarveyH55Profile picture★★★★★
(5197)
Methane big part of 'alarming' rise in planet-warming gases
By ISABELLA O'MALLEY
Associated Press
Methane in the atmosphere had its fourth-highest annual increase in 2022, the National Oceanic and Atmospheric Administration reported, part of an overall rise in planet-warming greenhouse gases that the agency called "alarming."

Though carbon dioxide typically gets more attention for its role in climate change, scientists are particularly concerned about methane because it traps much more heat — about 87 times more than carbon dioxide on a 20-year timescale.

Methane, a gas emitted from sources including landfills, oil and natural gas systems and livestock, has increased particularly quickly since 2020. Scientists say it shows no sign of slowing despite urgent calls from scientists and policymakers who say time is running out to meet warming limits in the Paris Agreement and avoid the most destructive impacts of climate change.

"The observations collected by NOAA scientists in 2022 show that greenhouse gas emissions continue to rise at an alarming pace and will persist in the atmosphere for thousands of years," NOAA Administrator Rick Spinrad said in a statement accompanying the report. "The time is now to address greenhouse gas pollution and to lower human-caused emissions as we continue to build toward a climate-ready nation."

Methane rose by 14 parts per billion to 1,911.9 ppb in 2022. It rose slightly faster in 2020 (15.20 ppb) and 2021 (17.75 ppb).

Methane gas leaks from wells and natural gas lines and wafts from manure ponds, decomposing landfills, and directly from livestock.

"Ruminant animal herds like goats, sheep, and cows in particular are one of the largest human-driven sources of methane," said Stephen Porder, a professor of ecology and assistant provost for sustainability at Brown University.

Scientists continue to discover that methane emissions from both the fossil fuels industry and the environment are largely underestimated.

The exact amounts of methane that have come from human activity versus natural environments over the past few years is not currently known, but scientists say that humans have little control over ecosystems that start emitting more methane due to warming.

"If this rapid rise is wetlands and natural systems responding to climate change, then that's very frightening because we can't do much to stop it," said Drew Shindell, Duke University professor and former climate scientist at NASA. "If methane leaks from the fossil fuels sector, then we can make regulations. But we can't make regulations on what swamps do."

Scientists are also investigating how the stubborn three-year La Nina pattern could have influenced methane emissions due to higher levels of rainfall in tropical wetlands.

Shindell said methane emissions caused by humans account for about 26% of the warming caused by human activities.

Porder said transitioning away from fossil fuels and reducing the number of ruminant animals being raised are "sure-fire ways to reduce methane in the atmosphere and limit warming."

The International Energy Agency estimates that 70% of 2022's methane emissions could be reduced with existing technology.

The NOAA report also said carbon dioxide and nitrous oxide saw significant growth in 2022.

Carbon dioxide levels rose to to 417.06 ppm in 2022 and is now 50% higher than pre-industrial levels. Nitrous oxide, which NOAA stated is the third-most significant greenhouse gas emitted by humans, rose to 335.7 ppb, largely due to fertilizers and manure from the expanding agriculture sector.


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Parts per billion? Really scraping the bottom of the barrel to scare the gullible... One thing for sure, the trillions spent, have done nothing. Yet, surprisingly none of the cataclysmic predictions have come pass. Makes me wonder if 'climate change' is part of the Jehovah Witness End-of-Times cult.
06-04-2023 21:46
Into the NightProfile picture★★★★★
(22228)
It's completely irrelevant.

No gas or vapor has the capability to warm the Earth.

Neither carbon dioxide, nor methane, not any other gas has the ability to create energy out of nothing, nor has any ability to trap heat, or trap thermal energy, or trap light.

'Climate change' of course has never been defined as anything other than 'global warming'. Both are buzzwords.

Like any fundamentalist religion, it predicts Doom and Gloom to try to recruit believers. This is just Pascal's Wager fallacy all over again. By joining that religion, it teaches the Doom and Gloom might be avoided.

For Pascal, the Wager was about Christianity (a fundamentalist form of it). It makes no difference what the religion is, the fallacy still occurs, typically with fundamentalist style religions.

It commonly occurs with the Church of Green, the Church of the Ozone Hole, the Church of Global Warming, the Church of Covid, and the Church of the EV. All these religions are related. They preach the same 'solution', which is tyranny and socialism.

They all stem from the Church of Karl Marx.
Edited on 06-04-2023 21:47
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