Changes

In December 2009 the EPA officially declared that six greenhouse gases, including carbon dioxide, "threaten the health and welfare of the American people". The decision could open the way for the [[Obama administration]] to impose its own curbs on emissions, although Congress may have the final say.  

In December 2009 the EPA officially declared that six greenhouse gases, including carbon dioxide, "threaten the health and welfare of the American people". The decision could open the way for the [[Obama administration]] to impose its own curbs on emissions, although Congress may have the final say.  

On April 2, 2007, the [[Supreme Court]] ruled that the EPA has the authority to regulate [[greenhouse gas]] emissions.  This was a rebuke to the [[George W. Bush|Bush]] administration, which had called for voluntary reduction of the gases.<ref>[https://www.foxnews.com/wires/2007Apr02/0,4670,ScotusGreenhouseGases,00.html Fox News: High Court Rebukes Bush on Car Pollution]</ref>

On April 2, 2007, the [[Supreme Court]] ruled that the EPA has the authority to regulate [[greenhouse gas]] emissions.  This was a rebuke to the [[George W. Bush|Bush]] administration, which had called for voluntary reduction of the gases.<ref>[http://www.foxnews.com/wires/2007Apr02/0,4670,ScotusGreenhouseGases,00.html Fox News: High Court Rebukes Bush on Car Pollution]</ref>

==Mercury==

==Mercury==

==External links==

==External links==

* https://www.foxnews.com/politics/2013/01/31/despite-court-ruling-epa-raises-biofuel-estimate/

* http://www.foxnews.com/politics/2013/01/31/despite-court-ruling-epa-raises-biofuel-estimate/

==References==

==References==