Considering that I am finally getting a chance to get to Europe to do a workshop and present a paper I am hoping that plans won’t be scuppered.
There is a very nice gif animation here — and you can get it on a tshirt (I’m waiting for the animated version)!
This animation is a little less colourful and a little more chaotic
Two points: no planes
= fantastic sound recording conditions. Clear skies without jet trails (for photography)
= planes versus volcano as CO2 emitters from Information is beautiful: