What do Christian environmentalists believe?

Pope Francis is likely to bring up the issue of climate change on his visit to the United States this week. 

A growing number of people are finding connections between biblical teachings and environmentalism, drawing lessons about consumption patterns and climate change from their faith. 

Marianne Combs, filling-in for MPR News host Tom Weber, talks with three people who have focused on these connections and discuss what role religion plays in the broader environmental movement.