http://www.economist.com/news/leaders/21583277-worlds-biggest-polluter-going-green-it-needs-speed-up-transition-can-china can china clean up fast enough
Synonyymisanakirja
http://www.economist.com/news/leaders/21583277-worlds-biggest-polluter-going-green-it-needs-speed-up-transition-can-china can china clean up fast enough