Critical Quote by Kenneth S. Deffeyes

The country remains dependent on oil. But as we are now learning, oil is becoming increasingly scarce.

— Armstrong Williams

There is a major problem of unsustainability of our environment, and we're seeing it in our natural resources, peak oil is probably upon us,…

— Edgar Mitchell

The Age of Oil has really exhausted its usefulness, and it has actually become a danger to our lives and our ability to survive…

— Dennis Weaver

We have known for decades that our survival depends on finding new sources of energy. Yet we import more oil today than ever before.

— Barack Obama

We need to move away from oil, period.

— James Woolsey

The quicker we get about the business of reducing our reliance on oil the better.

— Condoleezza Rice

The global supply of oil is going to decline because we've used up a good deal of the easy-to-get oil. We're going to reach…

— Michael Klare

Cycles of shortage and surplus characterize the entire history of oil.

— Daniel Yergin

Our children and grandchildren are going to be mad at us for burning all this oil. It took the Earth 500 million years to…

— Jack Edwards

Yet, most of the readily accessible reserves of oil formed over hundreds of millions of years will be consumed within a single generation, spanning…

— Lester R. Brown

Well, for starters, we have to do more to create demand for new technologies that can reduce our dependence on foreign oil and environmental…

— Sherwood Boehlert