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Road transport contributes 24% of UK CO2 emissions. CO2 has no direct health effects but contributes to global warming - an increase in the average temperature of the earth's atmosphere. This is responsible for climate change and scientists predict that we may all soon be affected - directly or indirectly - by increasing extremes of weather including flooding, storms and drought. Globally aircraft release over 600 million tonnes of CO2 causing about 3.5% of global warming from human activities. |
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