Sustainability
means
that
things
can
continue
into
the
____________________
.
For
our
planet
,
it
means
that
the
Earth
will
continue
to
____________________
us
with
clean
____________________
,
fresh
____________________
,
food
and
____________________
that
we
all
have
a
high
____________________
of
life
for
____________________
.
The
four
basic
____________________
of
sustainability
are
:
____________________
our
dependence
on
____________________
fuels
,
heavy
metals
,
synthetic
____________________
that
____________________
in
nature
,
reduce
our
____________________
of
nature
and
____________________
that
we
don't
stop
people
____________________
from
meeting
their
needs
.
We
are
all
part
of
the
same
system
:
environment
,
____________________
,
economy
.
Pollute
less
-
____________________
less
!
