GEOG 430
Human Use of the Environment



Stevens, Fisher (Director) and Leonardo DiCaprio, with Fisher Stevens, Trevor Davidoski, Jennifer Davisson, Brett Ratner, James Packer and Martin Scorsese (Producers). (2016). Before the Flood, [Motion Picture Written by Mark Monroe]. RatPac Documentary Films, Los Angeles, CA, USA. 

This film follows Leonardo DiCaprio's journey to learn about climate change in his role as U.N. Messenger of Peace. The film covers the dramatic changes now occurring around the world due to climate change. It also discusses the actions we can take to prevent catastrophic disruption of life on our planet. The film follows DiCaprio as he travels around the world speaking to scientists, world leaders, activists, and local people to gain a deeper understanding of this complex issue.

The film is currently available to screen free of charge via several online sources, including: The film is also available  to borrow through Penn State Libraries (limited copies) or, if you prefer, for rental online ( or via Netflix DVD.

Once you have watched the film please go to the EPA Carbon Footprint Calculator to calculate your own Carbon Footprint.

You might also want to try the calculator available through The Nature Conservancy and see how the two are different.

Why do you think they are different?