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 ...

Minimum temperatures last summer were the highest since 1901, giving heat-sapped Indians little respite even at night. During ...

More than 100 homes were evacuated, and thousands of people were told to be ready to flee at a moment’s notice.