Oil and gas
Coal
Waste
434 tonnes
200
427 Turkmenistan
57 Kazakhstan
Unknown
121 China
434
India
120 tonnes an hour US
7 November: a huge leak in a pipe in the Pennsylvania fracking fields ran for 13 days
356 Iraq
9 September: an oil refinery near Basra appeared to be the source of a colossal leak
371 Bangladesh
Oil and gas
Coal
Waste
434 tonnes
200
427 Turkmenistan
57 Kazakhstan
Unknown
121 China
434
India
371 Bangladesh
120 tonnes an hour US
7 November: a huge leak in a pipe in the Pennsylvania fracking fields ran for 13 days
356 Iraq
9 September: an oil refinery near Basra appeared to be the source of a colossal leak
Oil and gas
Coal
Waste
434 tonnes
200
Unknown
57 Kazakhstan
427 Turkmenistan
434
India
121 China
356 tonnes an hour Iraq
9 September: an oil refinery near Basra appeared to be the source of a colossal leak
371 Bangladesh
120 US, 7 November
A huge leak in a pipe in the Pennsylvania fracking fields ran for 13 days