Ed
Davey,
Secretary
of
State
for
Energy
&
Climate
Change,
lifted
a
ban
imposed
in
2011
when
fracturing
by
Cuadrilla
Resources
at
a
pilot
project
in
Lancashire
was
found
to
be
responsible
for
two
earth
tremors.
Davey
said
further
fracking
would
be
subject
to
new
controls
to
mitigate
the
risk
of
unwanted
seismic
activity.
“I
stress
we
are
moving
forward
with
appropriate
caution.
The
controls
at
this
stage
are
not
definitive,”
Davey
said.
“Fracking
must
be
safe
and
the
public
must
be
confident
it
is
safe.”
He
said
his
decision
was
based
on…