The Last Drops: How to Bridge the Gap Between Oil and Green Energy
Oil won't run the world forever, but it will for the next few decades--so how do we get from here to the next energy economy?

Oil threatens the environment, destabilizes nation, and is in dwindling supply. It also provides 35 percent of the power we use on Earth. Oil won't run our world forever, but as we make the transition to a greener economy, it will need to run it for at least another few decades.
by Daniel Schumpert and Jason Briney
Popular Science