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Aviation emissions contribute to this health problem, according to a new study that suggests that airplanes flying at a cruise altitude of around 35,000 feet emit pollutants that contribute to about 8,000 deaths per year globally.

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Plane-free skies over Europe during Iceland's volcanic eruption may yield rare clues about how flights stoke climate change, adding to evidence from a closure of U.S. airspace after September 11, 2001, experts say

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Plane-free skies over Europe during Iceland's volcanic eruption may yield rare clues about how flights stoke climate change, adding to evidence from a closure of U.S. airspace after September 11, 2001, experts say

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Superb infographic on which is better volcano and no planes, of planes and no volcano!

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Reductions of 10 and 20 percent respectively are likely to be the European Union’s bid at UN-led climate talks in Bangkok this week.

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The UK may have to cut emissions of greenhouse gases by 90% by 2050 so the aviation sector can continue to grow.

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The Air Traffic Controllers at Copenhagen Airport have saved the environment several hundred thousand tons of CO2. Through a unique concept they ensure the aircrafts to be able to go directly to the designated flight level with-out levelling off. In this way the airlines save approximately 10,000 tons of fuel annually and at the same time it is cost efficient. On an annual basis it saves the environment more than 30,000 tons of CO2.

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A group of experts reporting to the Intergovernmental Panel on Climate Change (IPCC) has increased dramatically the figure it believes aviation contributes to climate change.

In a report published last month, the eight international scientists put aviation's total contribution -'radiative forcing' - in 2005 at 4.9%.

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The UK government is lobbying for aviation to be excluded from an EU target to increase renewable energy.

Documents passed to BBC News reveal that Whitehall wants the industry exempted from a general target of 20% renewable energy by 2020.

It also wants interim targets leading up to 2020, and targets on clean energy in new homes, to be optional.

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