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Vocapedia > Earth > Climate change

Greenhouse gases > Methane

most important heat-trapping gases >

carbon dioxide, methane and nitrous oxide UK

https://www.theguardian.com/environment/2024/apr/06/
record-highs-heat-trapping-gases-climate-crisis

What are the main

man-made greenhouse gases? 2011

The greenhouse gases

that humans do emit directly

in significant quantities are:

• Carbon dioxide (CO2).

Accounts for around three-quarters

of the warming impact of current

human greenhouse-gas emissions.

The key source of CO2

is the burning of fossil fuels

such as coal, oil and gas,

though deforestation

is also a very significant contributor.

• Methane (CH4).

Accounts for around 14%

of the impact of current human

greenhouse-gas emissions.

Key sources include agriculture

(especially livestock and rice fields),

fossil fuel extraction

and the decay of organic waste

in landfill sites.

Methane doesn't persist

in the atmosphere as long as CO2,

though its warming effect

is much more potent

for each gram of gas released.

• Nitrous oxide (N2O).

Accounts for around 8%

of the warming impact

of current human

greenhouse-gas emissions.

Key sources include agriculture

(especially nitrogen-fertilised soils

and livestock waste)

and industrial processes.

Nitrous oxide

is even more potent

per gram than methane.

Fluorinated gases ("F gases").

Account for around 1%

of the warming impact

of current human

greenhouse-gas emissions.

Key sources

are industrial processes.

F-gases

are even more potent per gram

than nitrous oxide.

http://www.guardian.co.uk/environment/2011/feb/04/
man-made-greenhouse-gases

methane,

the main component of natural gas UK / USA

Methane

is a far more powerful greenhouse gas

than carbon dioxide,

though it doesn’t last

nearly as long in the atmosphere.

Still,

over a 20-year period,

one pound of it

traps as much heat

as at least 72 pounds

of carbon dioxide.

Its potency declines,

but even after a century,

it is at least 25 times

as powerful as carbon dioxide.

When burned, natural gas emits

half the carbon dioxide of coal,

but methane leakage

eviscerates this advantage

because of its heat-trapping power.

https://www.nytimes.com/2013/07/29/
opinion/gangplank-to-a-warm-future.html

2024

https://www.npr.org/2024/03/05/
1235694992/a-new-satellite-will-track-climate-warming-pollution-
heres-why-thats-a-big-deal

https://www.nytimes.com/interactive/2024/03/03/
climate/methane-satellite-launch-global-warming.html

2023

https://www.nytimes.com/2023/12/02/
climate/biden-methane-climate-cop28.html

https://www.theguardian.com/world/2023/may/09/
mind-boggling-methane-emissions-from-turkmenistan-revealed

2022

https://www.npr.org/2022/09/29/
1125894105/oil-field-flaring-methane-report

https://www.npr.org/2022/02/03/
1077392791/a-satellite-finds-massive-methane-leaks-from-gas-pipelines

https://www.npr.org/2022/01/27/
1075874473/gas-stoves-climate-change-leak-methane

2021

https://www.nytimes.com/2021/06/02/
climate/biggest-methane-emitters.html

2020

https://www.nytimes.com/2020/07/14/
climate/methane-emissions-record.html

2019

https://www.nytimes.com/2019/12/16/
climate/methane-leak-satellite.html

https://www.theguardian.com/world/2019/dec/01/
new-zealand-begins-genetic-program-to-produce-low-methane-emitting-sheep

https://www.npr.org/sections/thesalt/2019/11/30/
783001327/chew-on-this-farmers-are-using-food-waste-to-make-electricity

https://www.theguardian.com/environment/2019/nov/15/
methane-emissions-from-coal-mines-could-stoke-climate-crisis-study

https://www.theguardian.com/environment/2019/aug/14/
fracking-causing-rise-in-methane-emissions-study-finds

https://www.theguardian.com/environment/2019/feb/17/
methane-levels-sharp-rise-threaten-paris-climate-agreement

2018

https://www.npr.org/sections/thesalt/2018/10/29/
661064123/worlds-biggest-pork-producer-pledges-to-cover-manure-ponds

https://www.npr.org/sections/thesalt/2018/07/03/
623645396/surf-and-turf-
to-reduce-gas-emissions-from-cows-scientists-look-to-the-ocean

https://www.npr.org/2018/06/23/
622727843/large-methane-leaks-threaten-perception-of-clean-natural-gas

https://www.npr.org/sections/thetwo-way/2018/04/11/
601557548/environmental-group-plans-methane-tracking-satellite

2017

http://www.npr.org/sections/thesalt/2017/09/22/
552698446/gassy-cows-warm-the-planet-scientists-think-they-know-how-to-squelch-those-belch

http://www.npr.org/sections/thetwo-way/2017/05/10/
527786637/senators-reject-effort-to-roll-back-greenhouse-gas-emissions-rule

http://www.npr.org/2017/05/03/
526729339/inside-the-debate-over-repealing-curbs-on-methane-leaks

http://www.npr.org/2017/01/02/
507100296/methanes-on-the-rise-but-regulations-to-stop-gas-leaks-still-debated

2016

https://www.theguardian.com/environment/2016/oct/26/
what-is-causing-the-rapid-rise-in-methane-emissions

2014

http://www.nytimes.com/2014/10/07/
opinion/joe-nocera-moment-of-truth-on-emissions.html

2013

http://www.nytimes.com/2013/07/29/
opinion/gangplank-to-a-warm-future.html

satellites > ESA >

TROPOspheric Monitoring Instrument (TROPOMI)

(it) can measure the methane

in any 12-square-mile block of the atmosphere,

day by day.

https://www.npr.org/2022/02/03/
1077392791/a-satellite-finds-
massive-methane-leaks-from-gas-pipelines

Turkmenistan > methane emissions UK

Methane leaks from Turkmenistan’s

two main fossil fuel fields

Most of the facilities leaking the methane were owned

by Turkmenoil, the national oil company, Kayrros said.

Further undetected methane emissions

will be coming from Turkmenistan’s

offshore oil and gas installations in the Caspian Sea,

but the ability of satellites to measure methane leaks

over water is still being developed.

https://www.theguardian.com/world/2023/may/09/
mind-boggling-methane-emissions-from-turkmenistan-revealed

methane emissions from cows USA

https://www.npr.org/sections/thesalt/2018/07/03/
623645396/surf-and-turf-
to-reduce-gas-emissions-from-cows-scientists-look-to-the-ocean

livestock > climate-heating methane UK

https://www.theguardian.com/environment/gallery/2021/nov/26/
can-seaweed-help-solve-irelands-livestock-methane-problem-in-pictures

methane emissions from coalmines UK

https://www.theguardian.com/environment/2019/nov/15/
methane-emissions-from-coal-mines-could-stoke-climate-crisis-study

Gas stoves leak climate-warming methane

even when they're off USA

https://www.npr.org/2022/01/27/
1075874473/gas-stoves-climate-change-leak-methane

cut Methane emissions USA

https://www.nytimes.com/2023/12/02/
climate/biden-methane-climate-cop28.html

https://www.nytimes.com/2014/03/29/
us/politics/white-house-unveils-plans-to-to-cut-methane-emissions.html

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