Expanding use of natural gas in the US [ will increase future carbon emissions ]( http://www.commondreams.org/news/2014/09/25/study-natural-gas-expansion-will-raise-emissions-worsen-climate ) .
Ссылка: https://stallman.org/archives/2014-jul-oct.html#28_September_2014_%28Expanding_use_of_natural_gas%29