1.
To keep something safe or use less of it
2.
A natural resource we must protect and not waste
3.
Turning old things into new things
4.
Using something again instead of throwing it away
5.
Cutting down the amount we use
6.
Energy that comes from the sun
7.
Power that makes things work
8.
A clean way to travel without pollution
9.
Living things that give us oxygen and keep the air clean
10.
Our home planet that we must protect
