WHAT CAN I DO TO SAVE THE EARTH: ACCEPT THE CHALLENGE

It's time to do some exercises!

1. What acid rain is    
2. What causes it          
3. What effects it has
4. What governments are doing                    
5. What we can do to improve the situation

How many lights do you think they use to create their dazzling displays?

Now think how one hour can change the world and what else people can do besides switching off the lights.