Just 15 of the biggest ships emit more oxides of nitrogen and sulphur than all of the world's cars put together https://t.co/WzoUpBMT2T— The Economist (@TheEconomist) August 21, 2017
Just 15 of the biggest ships emit more oxides of nitrogen and sulphur than all of the world's cars put together https://t.co/WzoUpBMT2T— The Economist (@TheEconomist) August 21, 2017
