From the Commonwealth Club's "Climate One" series: Petrospective: Former secretary of state George Shultz and former CIA director James Woolsey speak about the necessity of moving toward clean energy. Interior Secretary Sally Jewell speaks about balancing conservation and jobs. Authors Paul Hawken and Andrew Revkin speak about ways to move beyond blame in the debate about climate change.
Earth Day special: Paul Hawken, Andrew Revkin, Sally Jewell and George Shultz
Environment St. Paul, Minn. ·