What can you do to save the environment?

Question

1. I'd better take the stairs instead of the elevator.
2. I'd better turn off the light when I don't use it.
3. I'd better turn off the tap water when I am not using it.
4. I'd better not use paper cups or plates.
5. I'd better take a walk instead of taking a bus.
6. I'd better not throw away garbage to the mountains.
7. I'd better not boil the water in a kettle for a long time.
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I've written what I could do to save the environment? Would you write some more sentences? Thank you.

Answer 1

I'd better replace old electrical appliances with new, energy-efficient models.

I'd better use cloth, re-usable shopping bags instead of plastic.

I'd better use the bus instead of driving the car.

I'd better recycle plastic, clean paper, bottles, and cans than throw them in the trash.

And, all of your sentences are correct. Congratulations!

Answer 2

I'd make a slight change in #6.

I'd better not throw away garbage in the mountains.