Climate change and energy efficiency

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
This document is a .

A boy is us his to the .

his first solution is to .

He thinks we have a special for the environment.

We should the on that day.