Ironically, the volcanic eruption that has reeked havoc on much of Europe’s airspace — with an estimated 2/3 of all European flights being canceled over a three to four day period — costing the airlines millions in losses, and leaving most of the continent stranded, is an environmental godsend. For example, the air traffic in Europe is so cluttered these days that during the typical 1 hour 40 minute flight that I normally take between Madrid and Paris, I usually spot on route up to five other planes in view from my window.
The jet fuel, emissions and acoustic pollution spared over this period of silence over Europe means some truly clear skies.
Grave Error 