In the past decade, a lot has changed in our fight against climate change.
In a recent Q&A with Sen. Bernie Sanders published in The Guardian, former Vice President Al Gore pinpointed "two big things" that have changed since his groundbreaking documentary "An Inconvenient Truth" hit theaters in 2006.
Photo by Neilson Barnard/Getty Images for The New York Times.
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climate change
global warming
clean energy
fossil fuels
bernie sanders
al gore
an inconvenient truth
alternative energy
weather events
an inconvenient sequel
Heroes