Learn the Issues
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Tools of the Trade: A Guide To Designing and Operating a Cap and Trade Program For Pollution Control
This guidebook is intended as a reference for policy-makers and regulators considering cap emissions trading as a policy tool to control pollution.
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Cross-State Air Pollution Rule (CSAPR) Fact Sheets
EPA has developed a series of fact sheets, in the format of questions and answers, to assist states in the development of their CSAPR SIPs
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What is Acid Rain?
Introduction to acid rain including its causes and the different types of acid rain.
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2010 SO2 Allowance Auction
Learn the results of EPA's 2010 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2006 SO2 Allowance Auction
Learn the results of EPA's 2006 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2012 SO2 Allowance Auction
Learn the results of EPA's 2012 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2011 SO2 Allowance Auction
Learn the results of EPA's 2011 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2009 SO2 Allowance Auction
Learn the results of EPA's 2009 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2008 SO2 Allowance Auction
Learn the results of EPA's 2008 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2007 SO2 Allowance Auction
Learn the results of EPA's 2007 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2005 SO2 Allowance Auction
Learn the results of EPA's 2005 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2002 SO2 Allowance Auction
Learn the results of EPA's 2002 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2001 SO2 Allowance Auction
Learn the results of EPA's 2001 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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1999 SO2 Allowance Auction
Learn the results of EPA's 1999 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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1998 SO2 Allowance Auction
Learn the results of EPA's 1998 Acid Rain Program sulfur dioxide (SO2) allowance auction results
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1997 SO2 Allowance Auction
Learn the results of EPA's 1997 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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1996 SO2 Allowance Auction
Learn the results of EPA's 1996 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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1995 SO2 Allowance Auction
Learn the results of EPA's 1995 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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1993 SO2 Allowance Auction
Learn the results of EPA's 1993 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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Clean Air Interstate Rule Historical Reports
View annual progress reports on emissions, compliance, market analyses, environmental results, and health results of the Clean Air Interstate Rule and related programs.