Mexican methane leak rate ‘alarming’ for climate change

Mexico's methane leak rate from oil and gas operations is twice as high as that of the world's top oil producer, the United States, a group of researchers found in a report due to be released this week.

Invisible and odorless but much more harmful than carbon dioxide, climate change scientists consider methane to be a major driver of global warming.

Methane is produced in Mexico and elsewhere as a byproduct of the oil and gas industry. It is the major component of natural gas and - if captured - can be used as a . . .