An Inconvenient Truth (2006) won two Academy Awards, and turned former Vice President of the United States Al Gore into an international celebrity.

More importantly, it brought climate change and global warming to the forefront of our collective consciousness.

Drawing on his own research, our guest Dr James Lyons shows how director Davis Guggenheim uses performance to dramatically animate risk in the film.

In doing so, does he change the focus, away from climate change? Do the camera lights instead shine more brightly on the former senator from Tennessee, rather than the existential threat facing our planet?