Is a 100 MPG car ambitious enough?

Engineer, environmentalist, and entrepreneur Saul Griffith examines the numerical reality of the fight against climate change.

Drawing from a personal assessment of his own energy needs, Griffith argues that we not only need to switch to alternative energies, we also need to drastically reduce their consumption in order to prevent a global catastrophe.

Griffith connects personal actions and global climate change by analyzing his own carbon consumption.

Access this 4-minute, 50-second video by clicking on the link below.