Wool is a _________________ material.

I have a plastic bottle that I _________________.

_________________ materials can be used again.

Don't _________________ that cardboard box. I'll recycle it.

It's _________________ to turn off your computer when you aren't using it.

When you turn out the light when you leave the room, you _________________ electricity

Can you please take out the _________?

I can't believe all the trash we throw away ends up in a ___________.

We must follow the three Rs: Reduce, reuse and recycle to protect the ____________.

We must __________ our energy consumption to protect the environment.

This island is not natural. It's __________.

_______ can be recycled. For example, you can make robots!

We should __________ cars that are more eco-friendly.

We must _______ houses that are more energy-efficient. For example, they could use solar panels.