Following a research degree in earth sciences at Cambridge University, Beth joined the UK Department of Energy, and subsequently the British National Oil Corporation.

UNESCO: Who's who

To put that in perspective, the Energy Information Agency, part of the U.S. Department of Energy, estimates the country annually consumes 100 quads (lingo for quadrillion British thermal units)y.

FORBES: Magazine Article

But a report by the British Geological Survey to map out where Britain's gas reserves are has been commissioned by the Department of Energy.

BBC: Autumn statement: A future for shale gas in Wales?