It’s become almost a reflex to bash aviation’s role in climate change. Passenger
planes are big, they emit stuff into the atmosphere, so they must be bad. It’s
true, but it’s not quite that simple.

Last week, climate and atmospheric scientists from the US and Europe presented
research to a group of aviation types gathered at the Royal Society of London.
Much of their focus was on nitrogen oxide (NOx), and what they found is that
simply dismissing NOx as just another nasty greenhouse gas is not only bad
science, but could also be unwise policy. (more…)