Unit 1 Living Green
Key to Exercises
Opener
Suggested answers for reference
1. There are a lot of simple things we can do to decrease energy consumption. Here
are just a few examples:
Use energy efficient light bulbs for our most
-
used lights.
When we leave a room, turn off the light.
Turn off our computer/laptop when we are not using it.
Save water. Take quicker showers. When brushing teeth we should not leave faucet
running.
Use reusable cloth shopping bags that are made from plant fibers.
Whenever possible, walk, bike, carpool, or use public transportation.
2. Old clothes and books: Other people can reuse our unwanted clothes and books if
we donate them.
Old clothes can also be made into other items such as cushion covers.
Old electrical equipment: Donate old electrical equipment to schools or community
centers so that others can reuse them.
Rechargeable
batteries:
Unlike
regular
batteries
that
create
unnecessary
waste,
rechargeable
batteries
can
be
reused
many
times
before
they
need
to
be
thrown
away.
Jars
and
pots:
By
cleaning
glass
jars
and
small
pots,
we
can
use
them
as
small
containers to store odds and ends
(零星物品)
.
3. Living green means reducing one’s carbon footprint, or, more generally, making as
small an impact on the natural environment as possible.
Yes,
I
have
thought
about
it.
I
can
take
some
small
steps
to
restrict
energy
consumption. For example, taking shorter, cooler showers. In that way I can save
energy by minimizing hot water use.