Companies that reduce emissions faster can sell their right to pollute to other companies.
It would limit companies' emissions while allowing them to buy and sell permits to pollute.
But for now, the spill's main political effect has been to pollute the debate about energy.
This despite the fact that studies had already shown how easily MTBE could pollute groundwater.
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The supporters of the scheme say that it acts as an incentive for airlines to pollute less.
If these pollute the environment, what is wrong with making them pay to have it cleaned up?
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"Essentially a small amount of this material in the sea will pollute a lot of birds, " he said.
Of course, once Obama (reluctantly) embraced the idea of trading rights to pollute, the GOP repudiated the concept.
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But Rosella Bear, the neighbor in Ohio, says there are still problems including run-off that can pollute waterways.
The industry says the method is safe, but critics say it could cause earthquakes and pollute water sources.
Opponents fear UK Methane will use hydraulic fracking to extract gas which they say could pollute water supplies.
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Another common view is that poor countries, being unable to afford greenery, should pollute now and clean up later.
People are required to put out all household garbage in specially-produced transparent bags that do not pollute during incineration.
But environmental groups and some doctors say regulations still aren't stringent enough and the practice can pollute ground water.
Such a charge, whether a tax or a system of tradable permits to pollute, would change energy economics radically.
Those who pollute more than their targets can buy the contracts as offsets.
They say the mine will pollute water and force people off their land.
However, it does not take too many of these kinds of problems to pollute the cloud and stunt its growth.
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This prop house rental had been gutted of its engine and transmission, to avoid having the fluids pollute the water.
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Whether this can be done in a way that does not pollute the marine environment unacceptably remains to be seen.
And in Florida, Ocean Boy Farms claims to be able to produce a marine shrimp that does not pollute the environment.
But mainly, the questions many people have with hybrids is that they still rely on gasoline and they still pollute the atmosphere.
Earlier this month the Environment Agency granted an environmental permit stating it would not "significantly" pollute the environment or harm human health.
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Coal, oil and gas pollute and are increasingly expensive: We need alternatives.
Campaigners believe fracking and other similar methods of gas extractions pose risks to the public and could pollute the Bath hot springs.
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In a world where fossil fuels still dominate and factories still pollute, somebody's got to sell the tools to clean it all up.
Cofounders Larry Page and Sergey Brin famously wrote in their Stanford doctoral thesis describing Google that advertising could pollute search results.
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The pretrial release of these irrelevant red herrings is a desperate and pathetic attempt by the defense to pollute and sway the jury pool.
The discarded plastic bottles and bags that pollute almost every other country on the continent are nowhere to be seen: the government has banned them.
And the government has recognised that if you are trying to cut global emissions of carbon, it's futile driving away firms to pollute somewhere else.
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