A researcher says the Kyoto Protocol on climate change affected oil and gas industry share prices.
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Kyoto Protocol 'affects oil, gas prices'
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Iranian petrochemical producers face higher ethane costs
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Carbon levels may trigger disastrous climate change
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Oil prices may remain volatile:
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Wind farms cause climate change:
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Energy firms limit losses for London shares
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Oil falls in Asia amid concerns over sustainability of recent gains
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Oil prices slip
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Centre may hike petrol, diesel prices
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Bumpy oil markets unlikely to undermine feasibility study
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World facing period of high oil prices
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Petroleum prices may continue to rise
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UK natural gas reverses gains as milder weather curbs demand
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Hazardous emissions have fallen sharply
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'Kyoto, for Canada, is in the past'
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Carbon slumps on back of weak oil and recession fears
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Speculation driving oil prices: