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The World Meteorological Organization issued a press release about its annual Greenhouse Gas Bulletin:
Globally averaged concentrations of CO2 reached 403.3 parts per million in 2016, up from 400.00 ppm in 2015 because of a combination of human activities and a strong El Niño event. [...]
[...] Since 1990, there has been a 40% increase in total radiative forcing – the warming effect on our climate - by all long-lived greenhouse gases, and a 2.5% increase from 2015 to 2016 alone, according to figures from the US National Oceanic and Atmospheric Administration quoted in the bulletin.
[...] Atmospheric methane reached a new high of about 1 853 parts per billion (ppb) in 2016 and is now 257% of the pre-industrial level.
BBC News reported:
"The 3 ppm CO2 growth rate in 2015 and 2016 is extreme - double the growth rate in the 1990-2000 decade," Prof Euan Nisbet from Royal Holloway University of London told BBC News.
[...] Another concern in the report is the continuing, mysterious rise of methane levels in the atmosphere, which were also larger than the average over the past ten years.
The Aliso Canyon gas leak happened in 2016.
(Score: 1, Interesting) by Anonymous Coward on Thursday November 02 2017, @12:03PM (4 children)
It is not a mystery that of recent permafrost in Arctic thaws and great amount of methane previously sequestered in it is bubbling out. I don't know if there is even a theoretical possibility that anything could be done about it.
(Score: 2, Funny) by Anonymous Coward on Thursday November 02 2017, @01:49PM (1 child)
There is. All we have to do is to start a global thermonuclear war. This will cause a nuclear winter and thus stop the Arctic thaws.
As a bonus, you'll not have to worry about too much anthropogenic emission afterwards.
(Score: 3, Funny) by DeathMonkey on Thursday November 02 2017, @11:23PM
There is. All we have to do is to start a global thermonuclear war. This will cause a nuclear winter and thus stop the Arctic thaws.
Turns out Trump wasn't lying when he said "“I am, to a large extent, an environmentalist,"
He's just exploring the North Korean path to ending Global Warming.
(Score: 2) by DeathMonkey on Thursday November 02 2017, @11:19PM (1 child)
It is not a mystery that of recent permafrost in Arctic thaws and great amount of methane previously sequestered in it is bubbling out.
That hasn't really been observed in the wild yet so it shouldn't be much of a driver right now.
We do know that oil & gas emissions are higher than previously thought, though. [theguardian.com]
And, agricultural emissions are also higher than previously thought. [theguardian.com]
(Score: 0) by Anonymous Coward on Monday November 13 2017, @12:19AM
(source [www.cbc.ca])
video made by University of Alaska researchers on a frozen lake near Fairbanks [youtube.com]