Paul McCartney, Bono, Pharrell Williams, Jennifer Hudson, Adam Levine, Shaleine Woodley and many others share why they feel the fight against climate change is more important than ever.
A decade after An Inconvenient Truth (2006) brought climate change into the heart of popular culture comes the follow-up starring former Vice President Al Gore, that shows just how close we are to a real energy revolution.
WATCH.