We've
been
experiencing
bigger
____________________
and
natural
disasters
like
____________________
pollutiochemical
We
have
a
big
____________________
industry
that
causes
____________________
electricproducegases
More
of
us
are
driving
____________________
cars
because
they
____________________
fewer
toxic
____________________
,
which
cause
pollutio
n
recyclerubbishplasticsea
We
____________________
a
lot
of
____________________
?
paper
,
cans
and
bottles
?
but
a
lot
of
other
____________________
waste
just
goes
into
the
____________________
.
plantsdisappearinganimalspreventdanger
Lots
of
different
kinds
of
____________________
and
____________________
are
in
____________________
of
dying
out
unless
we
do
something
to
____________________
them
from
____________________
.
oilnaturalresourcesindustries
We
have
____________________
resources
like
____________________
and
gas
,
but
we
should
develop
other
____________________
in
case
these
____________________
run
out
.
wastethinkconsume
We
don't
____________________
enough
about
how
we
behave
.
We
____________________
too
much
and
____________________
too
much
.
solveoverpopulationactchallengeclimate
The
problem
of
____________________
in
big
cities
is
getting
worse
,
but
____________________
change
is
the
biggest
____________________
we
face
.
We
need
to
____________________
fast
to
____________________
this
problem
.
