Photographer James Balog has become one of the foremost chroniclers of human-caused climate change, as his cameras have tracked the dramatic effects – vanishing ice, rising seas, fires, and the toll climate change is taking on all living things. He tells correspondent Ben Tracy that his photos are his testimony, a record of our past and present, and a message for the future.
Monday, April 22, is Earth Day, when we celebrate our world and support protection of the environment. “Sunday Morning” looks at some facts about our changing planet.
