Talwinder+R.

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 **Describe How Climate can be Influenced by Human Activities ** ======

Climate is the average temperature and typical weather conditions of a specific area for a long period of time. Climate can be affected many ways such as if the earths orbit happened to change it would affect the climate dramatically. Earths orbit change and many other factors like if the tilt of the Earth axis changed could affect how much sunlight reached the Earth.

 Humans can affect the climate by releasing carbon dioxide and many other greenhouse gases into the air from all our activities. When carbon dioxide or other greenhouse gases is released into the air it causes the earths atmosphere to thicken, this causes the sunlight from the sun to stay in our atmosphere. When there is more heat in our atmosphere this causes many different places to have different weather hence changing the climate.

The most common green house gas is Carbon Dioxide (CO2). Carbon Dioxide is a gas that usually come out of cars, planes, factory plants and fires. Nitrous Oxide (N2O) is another greenhouse gas that is 300 times more effective on the atmosphere than CO2. N2O is found in rocket motors which boost the rockets into the air. N2O can also be found aerosol cans such as AXE body Spray, Whipped cream cans and Cooking spray cans. N2O can be used to boost cars in races which is call NOS. There are other gases that are very bad for our environment such as chlorofluorocarbons. Chlorofluorocarbons are human created chemicals and are banned in most of the world because it has heat trapping potential which is thousands times stronger than CO2

Human pollute the earth many ways. Mostly everything we use is made out of oil. Glue, bowls, car seats, golf balls, tooth brushes and many more at the following website. [|http://www.geographysite.co.uk/pages/citizenship/oil_products.html] Oil is a natural resource that can not be renewed. Oil is also the main substance we use in our everyday lives.

The top main contributers to causing global warming is pollution from our factories. About forty percent of CO2 in the atmosphere comes from power plants. There are three main power plants. Plants that burn oil, plants that burn coal and plants that burn natural gas.

Another contributer to causing global warming is car emissions. All around the world cars are driven almost 24/7. Cars and trucks are the main reason why global warming has started. Cars and trucks are also a reason why lung cancer is so common in some polluted cities. Everyone is breathing in all the toxins from factories and vehicles which cause cancer.

 Deforestation is a contributer to causing global warming and is responsible for twenty percent of it. Trees and plants help remove CO2 from the earths atmosphere but when you cut down all the forests to make room for factories it hurts the environment. Trees and plants replace the CO2 for oxygen and rain forest  are responsible   for the earths oxygen.



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