And there hasn't really been, it seems, much of an effort to clean them up.
By seizing control of energy resources, Putin could also begin to clean them up.
And how much will his bad-boy antics, and the decision to clean them up, cost those behind the sitcom?
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But Chile's judicial system is like the famously polluted atmosphere of its capital: what both need to clean them up is a howling gale.
Chevron freely admits that large sludge pits still dot the Amazon, but denies that it has a legal obligation to clean up more of them.
The Estonian government approved a remarkable attempt to rid the country of unsightly junk: volunteers used GPS devices to locate over 10, 000 illegal dumps and then unleashed an army of 50, 000 people to clean them up.
They also limit the liability of plants in case of accident, and help them clean up afterwards.
That allows them to take up an incredible amount for their size, making them attractive for the clean-up of pollutants.
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And he helped implement PlaNYC, a long-term scheme to build houses for up to 1m New Yorkers, link them to transport, clean up brownfields, plant 1m trees and improve air and water across the five boroughs.
High petrol prices and the desire to clean up our air quality make them the smart choice.
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If securitisation takes off, banks will find it easier to unload old property loans, enabling them to clean up their ravaged books.
Water quality issues also create risk for companies, from stricter pollution standards on their own effluent to other entities polluting water upstream, requiring them to clean up water prior to use.
This may be because some people were erroneously put on the drugs, or because years of drug therapy healed heart damage, or simply because taking people off the pills motivates them to clean up their behavior.
The case centred on an e-mail he forwarded to colleagues advising them to "clean up" their files.
Mr Badger said people were starting the clean-up, although many of them would still be out of their homes over Christmas.
That would be the quickest way for us to clean up our Facebook pages and get them in line with our current privacy expectations.
It's ultimately really up to ourselves and our communities to police our own communities and prove our communities and make them independent and clean up this stuff.
The state needs to clean its banks up in order to sell them off.
Without them, efforts to clean up government must work within the existing legal framework.
Staff used washing-up liquid and margarine to clean them.
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All along, the US Treasury Secretary, Tim Geithner, has been saying the eurozone had to clean up its own mess - and reminding them that the continent had ample resources, as a group, to do it.
Someone else to ask to take to the toilet, work out how to use the inflight entertainment, fill in the immigration forms, order a drink and to clean up said drink when it spilled on them during turbulence.
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Although the IRS hasn't tipped its hand about its looming enforcement effort, IRA experts are urging accountants, financial planners and lawyers to brush up on the rules and help their clients clean up their IRAs before the IRS forces them to do so later this year or next.
"The Republicans are trying to convince us to give them four more years to clean up the mess they made, " she said.
In Chicago, for example, two aging coal plants shut down after Mayor Rahm Emanuel threatened them with an ordinance requiring they clean up emissions.
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Folks, if you truly want to see Congress clean up its act, you're going to have to make them do it.
One is to claw back the subsidy such firms enjoy in their borrowing, both to encourage them to shrink and to pay for the clean-up when they fail.
The scheme is designed to protect weak links in the euro zone for the next three years, buying them the breathing space to shore up public finances, clean up banks and retool uncompetitive economies so they can grow again and pay off their debts.
But to give them that power, we need to do more than just clean up our elections.
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Experts from the animal welfare charity the SSPCA have been trying to clean up the birds, but so far it has been possible to release only two of them.
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