A UT geosciences professor made a fantastic and enlightening documentary on global energy called Switch that is certainly worth a watch if you're interested in this topic.
From wikipedia:
"... he asks the central question of the film: what will the energy transition look like for the rest of us? ...travels the world to find out.
The expertise of the interviewees and the access to restricted energy sites is unparalleled in other energy films.
After his journey, he assembles his findings to map out the likely energy future. While coal and oil will continue to play a large role especially in developing countries, a global transition to where their alternatives become dominant will happen in about 50 years. Renewables see by far the largest growth rate, while natural gas makes up the largest portion of the replacement, with nuclear approximately equal in share to renewables."
From wikipedia:
"... he asks the central question of the film: what will the energy transition look like for the rest of us? ...travels the world to find out.
The expertise of the interviewees and the access to restricted energy sites is unparalleled in other energy films. After his journey, he assembles his findings to map out the likely energy future. While coal and oil will continue to play a large role especially in developing countries, a global transition to where their alternatives become dominant will happen in about 50 years. Renewables see by far the largest growth rate, while natural gas makes up the largest portion of the replacement, with nuclear approximately equal in share to renewables."
https://en.wikipedia.org/wiki/Switch_%282012_film%29
http://www.switchenergyproject.com/