Fracking

DEFINITION: A drilling technique which sees liquid pumped deep underground at high pressure to fracture rock and release oil or gas. Opponents claim that the process can contaminate water, cause earthquakes and exacerbate noise and traffic pollution.

See also: Shale gas

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(L-R) Theresa Villiers now heads up Defra, while Andrea Leadsom leads BEIS

BEIS and Defra's new look: What we know about Leadsom and Villiers' views on the environment

And breathe. In what has been the biggest political reshuffle since the 1960s, Andrea Leadsom has been appointed Business Secretary at BEIS, while Theresa Villiers has become Defra's new Environment Secretary. So, how well do the pair match up with their respective briefs?

The CEN has 41 members and is chaired by former Energy & Climate Intelligence Unit (ECIU) lead Sam Richards (right)

Conservative MPs set out green manifesto urging more eco-friendly policies

Fracking should be banned, the UK must take global leadership on the climate emergency and a royal commission should decide how to build homes in an environmentally sustainable manner, an influential group of Conservative MPs has said.

During the industrial era, Wales was home to the three largest coal exporting ports in the world

Wales pledges to phase-out fossil fuels in favour of renewables

The Welsh Government has committed to phase out the continued extraction and use of fossil fuels, including those obtained by fracking, as it strives to reduce national carbon emissions by 80% by 2050, against a 2011 baseline.