Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/documentary-series-leaps-into-sustainability Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Story This Earth Day, geoscientist Richard Alley will go to great lengths to show that the Earth’s climate is shifting- by bungee jumping. In the PBS mini-series “Earth: The Operators’ Manual” host Alley visits communities around the world that are finding new ways to harness their renewable energy resources and reduce their carbon footprint.