1. Greenhouse Gases
By Paolo P.

2. What are Greenhouse Gases?
Greenhouse gases are gases in greenhouses. It makes the Earth hotter. That is not good because it will lead to Global Warming. Greenhouse Gases form the ozone layer around the world.

3. Are Greenhouse Gases Good?
Greenhouse gases are good because they helps the Earth to stay warm. If there wouldn`t be Greenhouse Gases the Earth wouldn`t be so hot as now.

4. Are Greenhouse Gases Bad?
Too many Greenhouse Gases are bad for us. Carbon dioxide, Methane, Nitrous oxide, fluoridated gases are the things that trap the sunlight.

5. The greenhouse Effect
The Greenhouse effect is a when the ground and the air warms up. It is caused by gases that trap the sun`s energy and uses it to warm up the Earth.

6. The Most Important Greenhouse Gas: Carbon Dioxide
The most important and common Greenhouse Gas is emitted by humans. Carbon Dioxide. Carbon Dioxide is 54,7% of the Greenhouse Gases.

7. About Methane
The simplest greenhouse gas is Methane. Cows are one of the biggest producers of methane. They produce it by their fart.

8. About Nitrous Oxide
Nitrous oxide is a colourless and sweet smelling gas. It is often used at dentists. It is also called laughing gas because the gas makes you laugh!