Obama Climate Action Plan

Setback for EPA in Regulating Gases with High Global Warming Potential

DC Circuit vacates 2015 rule on HFCs

Today, the D.C. Circuit Court of Appeals vacated a 2015 EPA rule targeting the use of hydrofluorocarbons (HFCs), a class of potent greenhouse gases that are used as refrigerants and propellants for a variety of purposes as a substitute for ozone-depleting chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs). The court’s decision is a setback for President Obama’s …

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No Keystone XL If It Would Increase Greenhouse Gas Emissions?

In his much-anticipated speech on climate policy, President Obama made an important statement about the approval process for the controversial Keystone XL pipeline project. He said that the project should not be approved if it would if it would “significantly exacerbate the problem of carbon pollution.”  One question that this raises is whether the same …

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