By Stefanie Eschenbacher MEXICO CITY (Reuters) - 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...

By Paresh Dave YOKOHAMA, Japan (Reuters) -Hosts Japan hoisted their coach and waved to mostly empty stands to celebrate their second straight gold medal in softball on Tuesday by beating the United States 2-0 at the Tokyo Games, on the strength of Yamato Fujita's bat, ace Yukiko...