Political, costly, and likely to choke off growth. That's how the energy industry and companies that use a lot of energy describe the Environmental Protection Agency's announcement Monday that greenhouse gas emissions are a danger and must be regulated.

Almost all energy and energy intense industries hope that Congress will step in with new climate laws, namely through a cap-and-trade system that limits greenhouse gas emissions while allowing companies to buy or sell emissions credits.

If not, companies say, jobs will be lost, an economic recovery will be hamstrung and everyone will pay more for energy.

Here's what some are saying about the EPA announcement:

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U.S. Chamber of Commerce

Chamber President and CEO Thomas J. Donohue said EPA regulations could lead to "a top-down command-and-control regime that will choke off growth by adding new mandates to virtually every major construction and renovation project."

"The devil will be in the details," Donohue said.

The U.S. Chamber of Commerce represents 3 million businesses and is dominated by small companies with 100 or fewer employees.

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National Association of Manufacturers

Keith McCoy, Vice President of Energy and Resources Policy, said an EPA regulation on its own would make energy more expensive and force manufacturers to cut jobs.

"Unemployment is hovering at 10 percent and many manufacturers are struggling to stay in business," McCoy said. "It is doubtful that the endangerment finding will achieve its stated goal, but it is certain to come at a huge cost to the economy."

The National Association of Manufacturers represents about 11,000 companies worldwide.

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The American Petroleum Institute

The main lobbying group for oil and gas companies called the EPA announcement a political maneuver, burnishing President Obama's environmental record ahead of the Copenhagen climate summit. The Clean Air Act was not meant to regulate greenhouse gases, said API President Jack Gerard.

U.S. oil and natural gas companies spent $58 billion between 2000 and 2008 on technologies to reduce greenhouse gas emissions, Gerard said. That's "more than either the federal government or all other U.S.-based private industry combined," he said.

API represents oil and natural gas companies, which supply more than 60 percent of the nation's energy.

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National Petrochemical & Refiners Association

President Charles T. Drevna also attacked the timing of the announcement, saying that the EPA based its decision on "selective science" that fails to account for the impact on the economy.