Really interesting thread on airplane #contrails which have a significant effect on global warming and how their effect can be reduced

Of course, in addition, their effect can be reduced most effectively by just not taking so many flights...

#WeNeedToFlyLess
#JustStopFlying
#TaxAviation

Ok, let's carry on with the fruitful debate on individual responsibility (not to mention the #guilt) for mitigating climate change. #taxaviation #subsidiserail. NB: yes, the rail trip (same date) is only one leg!