This is a long post, around 5,000 words, wherein I go down many rabbit holes. Perhaps at the end, though, there is a little pot of genuine climate gold.
At any given time there are more than half a million people in the sky, a veritable city about 11 kilometres up, strapped into seats in pressurised tubes atop gigantic flying tanks of kerosene. Looking forward, numbers of air travellers are increasing by 5% each year.
Continue reading Too good to be true? Is green flying really possible?
David Archer on methane
Arctic methane plumes
Climate clippings 58 led with an item on Methane worries. @ 18 I identified David Archer as one who is “very knowledgeable on the matter [and] thinks the process will be chronic rather than catastrophic.” Continue reading Climate clippings 61
WMO Greenhouse Gas Bulletin
The World Meteorological Organization’s Greenhouse Gas Bulletin has
just been released. These graphs show the ‘progress’ of the main gases.
The WMO is agnostic about the reason for the increase in methane emissions, but in
this ABC story Paul Fraser from the CSIRO tells us what they are thinking and it’s not good news.He says that the increase of methane is coming from high and low attitudes, which seems to indicate that northern permafrost and tropical wetlands may be the source.
The story also looks at HFCs and refrigeration. As linked on the last thread,
go here to Figure 2.21 for the IPCC’s graph on forcings. Continue reading Climate clippings 55