An
inquiry
by
the
House
of
Commons'
Energy
and
Climate
Change
Committee
found
“no
evidence”
that
the
hydraulic
fracturing
process
involved
in
shale
gas
extraction
–
known
as
‘fracking’
–
poses
a
direct
risk
to
underground
water
aquifers,
provided
the
drilling
well
is
constructed
properly.
However,
the
committee
warns
that
while
emissions
from
gas
are
lower
than
from
coal,
it
cannot
match
the
low-carbon
credentials
of
sources
such
as
solar
and
wind
power
which
may
suffer
a
knock-on
effect
if
shale
gas
extraction
became
widespread.
Committee
chair
Tim
Yeo
says:
“Shale…