Multinational mining giant Vale S.A.'s dam near the Brazilian town of Brumadinho broke in January, flooding the area with toxic mudslides. These are the stories of those who survived.
The private sector has long been the bad guy in environmental stories. But with Brazil's president overseeing rapid deforestation, big companies could get a second act as eco-champions.
On Thursday night, Democratic voters were getting snatches of the policy fights they deserve—just not on the topic that could matter most.