Years of Living Dangerously is an American documentary television series, spread over two seasons, focusing on climate change. The first season, consisting of nine episodes, was broadcast on Showtime in 2014. The second season, consisting of eight episodes, was broadcast on the National Geographic Channel in 2016. Executive producers included James Cameron, Arnold Schwarzenegger, and series creators Joel Bach and David Gelber. Joseph Romm and Heidi Cullen were the chief science advisors. The series won an Emmy Award as Outstanding Documentary or Nonfiction Series.