Deep in the Amazon, Canaima National Park in Venezuela is a green wonderland. Home to Angel Falls, the tallest uninterrupted waterfall in the world at more than 3,200 feet, it ...

Neither Porto Alegre, Brazil, nor Valencia, Spain, are in the news this week. But they have been before, and almost certainly will be again, as bouts of extreme drought, followed by deluge, become ...

Venezuela's opposition has drafted a broad proposal for energy sector reform that would allow the participation of international companies in a bid to attract support from Big Oil and from the U.S.