The Power of Big Oil, Part Three: Delay

FRONTLINE examines the fossil fuel industry's history of casting doubt and delaying action on climate change. This three-part series traces decades of missed opportunities and the ongoing attempts to hold Big Oil to account. And as leading climate scientists issue new warnings about climate change, Part Three: Delay examines how the fossil fuel industry worked to delay the transition to renewable energy sources — including promoting natural gas as a cleaner alternative.