Do we have enough?

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  • Created by: NAMNAM
  • Created on: 15-06-21 17:35

Carbon Footprint

The total amount of CO2 released into the atmosphere as a result of a person's activities

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Renewable

A source of energy that does not run out

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Non-renewable

A source of energy that will eventually run out

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Fossil fuels

Oil, coal and natural gas

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Sustainability

Meeting the needs of the present wihtout compromising future generations

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Global warming

A trend caused bythe burning of fossil fuels which release CO2 inot the atmosphere causing globabl temerpatures to rise

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Tar sands

A unconventional sorce of oil in alberta, canada

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Coal

A small blck rock. It is very dirty when burned and produces lots of CO2 however it is very cheap. China's economic growth has been powered by coal

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Oil

Oil is used to produce petrol and diesel which power transport. It is rapidly running out.

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Gas

Natural gas is found underground and is used for domestic heating and generating electricity. It si cheap and reliable. There is up yo 50 years supply of gas left on earth. More recently some countries have strated fracking to find methane

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Nuclear

Radioactive rocks such as uranium and plutonium can generate electricity. They do not produce carbon dioxide however they do leave behind radioactive waste

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Wind

Wind is cheap and readily available. It does not produce any O2 emissions. However, it is unsightly and the wind does not always blow

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Geo-thermal

In areas where there is tectonic activity energy can be generated from teh hot rocks-there are no CO2 emissions. However, this can only take place in tecti=onically ative areas, like Iceland

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Solar

Solar power is cheap and easy to install. However, the sun does not alwasy shine and countries like the UK are not suitable as there is a lot of cloud coverage.

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