There are 45 active ones On the island of Java If one of them were to erupt You would see lots of lava What is it?

Trees clean me. With me human beings can breathe. I'm one of the four elements. What am I?

With the pollution I become a big problem; because of me, ice caps melt ; but I also change the climate on Earth. What am I?

I am a certain type of land mass My climate can be tropical, or ice cold With water surrounding me You might come to me for vacation An examples Hawaii What am I?

If it's zero degrees outside today and it's going to be twice as cold tomorrow, how cold is it going to be?

I clean the air and I produce oxygen. What am I?

71% is water And the rest of it is land Some of that is made up of soil And some of its made of sand What is it?

I am big. I love water. I'm blue. My name begins by letter O. The rivers flow in me. Who am I?

It is a verb. When it is dirty, just do it!

What did the ocean say to the environmentalist?

There are four brothers in this world that were all born together. The first runs and never wearies. The second eats and is never full. The third drinks and is always thirsty. The fourth sings a song that is never good. What are these four?

When its really stormy outside This is something you hear It happens straight after lightning When it is very near

This is a type of extreme weather That stretches from earth to sky It is strong enough to uproot trees Its center is called an eye