The “parade blue” sky was fleeting, but stunning.
These pictures show you how easy it is for China to go from air pollution equivalent to smoking 40 cigarettes a day to nice clear blue skies. It shows you how quickly we could truly address climate change, but we don’t for economic reasons.
Beijing before and after military parade pic.twitter.com/Xb6W6NQBSK
— Tom Phillips (@tomphillipsin) September 4, 2015
