When is the "Earth Day"?

We should ............... the TV when we aren't watching it.

We should .................... the tap when we are brushing our teeth.

We should turn off the tap to .......... energy.

We should turn off the lights during the daytime! We shouldn't ..................... energy.

What are the 3Rs?

We should ......... plastic, glass, metal, and paper.

We should ....... old materials.

We should say "no" to plastic bags to ....................... waste.

We can ............... our old jeans.

We can .......... paper waste. We can use less paper towels.

We can .......... paper. Old newspapers can turn into toilet paper.