An Inconvenient Truth (2006) - Filmmaker Davis Guggenheim follows Al Gore on the lecture circuit, as the former presidential candidate campaigns to raise public awareness of the dangers of global warming and calls for immediate action to curb its destructive effects on the environment.

 
http://www.imdb.com/title/tt0497116/?ref_=nv_sr_1



An Inconvenient Sequel: Truth to Power (2017) - A decade after An Inconvenient Truth (2006) brought climate change into the heart of popular culture comes the follow-up that shows just how close we are to a real energy revolution.
 
http://www.imdb.com/title/tt6322922/?ref_=nv_sr_2