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Elle McGregor

on 6 February 2014

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Transcript of CLIMATE CHANGE Elle McGregor

What is it?
Climate Change is basically described in the name; when the climate is changing. In a bit more detail it is the change in the planets weather pattern and the change in average global tempratures. Climate Change has been happening for millions of years and will continute to happen if we keep damaging the o-zone layer.
Climate Change Causes
Many things cause Climate Change to happen such as the burning of fossil fuels and cutting down large forests that take in carbon dioxide, but the main cause is 'The Greenhouse Effect'
The Greenhouse Effect
The Greenhouse Effect is the effect where heat tries to escape back to space but gets trapped by the Earths o-zone layer. The heat cant escape through the Water vapour, Carbon Dioxide, Metane, CFCs and Nitrous Oxide which stops the heat from escaping and will, over time, cause the Earth to overheat and change the climate.
If climate change continues to happen the way it is, the Earth will become warmer and warmer and lead to evaporation or in some places, precipitation. The Earths oceans will warm and cause glaciers to melt and sea levels to rise which with cause problems to lowland areas.
Crops will possibly grow faster and more vigirously, and this could in some ways be a good thing as there would be more crops to feed the growing population. However, the heat may have a bad impact on the crops by drying them out and killing them.
The global average tempratures have increased by 0.8°C and the Arctic tempratures have had the biggest effect with an increase of 1.5°C. Another piece of evidence that Climate Change is happening, is that global sea levels have rose about 17 centimetres (6.7 inches) in the past century.
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