News for hackers. Stuff that matters.

A comment on Flight risk: can we take the carbon out of air travel?. Parent comment

Re:Flight risk: can we take the carbon out of air travel? by adrianN on Tuesday September 03, 2019 @01:30AM (#20863925)
A tax for the sources is a great idea, but you also have to take into account where they are burnt. Flying is especially bad because the emissions are generated high in the atmosphere. The greenhouse effect is worse by a factor two or three compared to ground level emissions.
[ Parent | on HN ]
Re:Flight risk: can we take the carbon out of air travel? by im3w1l on Tuesday September 03, 2019 @03:04AM (#20864242)
For how long? Eventually the air should mix?
[ Parent | on HN ]
Re:Flight risk: can we take the carbon out of air travel? by adrianN on Tuesday September 03, 2019 @03:26AM (#20864323)
By googling you probably find better answers than mine, but afaik the problem is that many GHG compounds that decay rapidly at ground level (e.g. NOx) live longer at airplane heights and the clouds that precipitate around exhaust particles also have a warming effect.
[ Parent | on HN ]