Greenhouse Gas Emissions Clean Air Act

News & Analysis as of

Changes Likely in Final Version of EPA's Clean Power Plan

EPA's rules regulating greenhouse gas emissions from power plants are expected to be finalized by the end of the summer. It has been nearly two years since the EPA unveiled its proposed greenhouse gas emissions standards...more

Two Strikes and Oklahoma’s Out (For Now): Another Challenge to the Clean Power Plan Is Rejected

On Friday, Judge Claire Eagan dismissed Oklahoma’s latest challenge to EPA’s Clean Power Plan. Yes, that plan. The one that hasn’t been promulgated yet....more

EPA Oil and Gas GHG and Source Aggregation Rules Coming Soon

Soon the Environmental Protection Agency will propose greenhouse gas (GHG) regulations for the oil and gas industry sector. The White House Office of Management & Budget (OMB) has begun formal review of an EPA proposal to cut...more

Supreme Court Ruling on EPA Mercury Rule: Utilities Wins the Battle, But Lose the War

The Clean Air Act requires EPA to regulate emissions of hazardous air pollutants from coal-fired power plants if the agency determines that such “regulation is appropriate and necessary” after studying the hazards the...more

The U.S. Supreme Court Holds EPA Must Consider Costs in Deciding to Regulate Power Plants

The U.S. Supreme Court’s June 29th decision in Michigan v. EPA, taken together with another significant CAA opinion from last term, Utility Air Regulatory Group v. EPA, demonstrates the Court’s proclivity for subjecting...more

Back to the Drawing Board: Supreme Court Sets Aside EPA Regulations On Mercury Emissions from Power Plants

The Supreme Court on Monday dealt a setback to the Environmental Protection Agency’s regulation limiting mercury and other toxic emissions from power plants – the “mercury rule.” In Michigan v. Environmental Protection...more

California Environmental Law & Policy Update - July 2015

Environmental and Policy Focus - BP pays record $18.7 billion to settle claims in Gulf oil spill Bloomberg - Jul 2: BP Plc reached a record $18.7 billion agreement to settle all federal and state claims from the 2010...more

Supreme Court Strikes Down EPA’s Mercury and Air Toxics Standard

Delivering a sharp blow to President Obama’s efforts to regulate coal plants, the U.S. Supreme Court invalidated the Environmental Protection Agency’s (EPA’s) 2012 Mercury and Air Toxics Standards (MATS) rule, finding that...more

What Comes Next for Mercury Emissions from Power Plants?

The U.S. Supreme Court held this morning that the U.S. Environmental Protection Agency (EPA) acted unreasonably when it determined in 2000, and again in 2012, that it was “appropriate and necessary” to regulate mercury...more

EPA Aircraft GHG Emissions Regulations Take Flight: Agency Announces Endangerment Finding for Aircraft Greenhouse Gas Emissions...

After tackling greenhouse gas (GHG) emissions from passenger vehicles and power plants, the Environmental Protection Agency (EPA) on June 10 announced its latest regulatory initiative—a GHG emissions standard for aircraft....more

"Supreme Court: A Term-End Review"

As the U.S. Supreme Court’s 2014-15 term draws to a conclusion, the Court has resolved — or will resolve in a matter of days — several cases with potentially wide-reaching implications for a range of important policy and...more

Legal Challenge to EPA’s Proposed Clean Power Plan Rejected as Premature, Final Rule Sent to OMB for Review

The proposed Clean Power Plan introduced by the U.S. Environmental Protection Agency (EPA) in June 2014 has been met with considerable opposition, including a court battle that pitted energy companies and more than twenty...more

EPA Issues SIP Call to Eliminate SSM Defense

EPA has issued a final rule that requires 36 states to revise their State Implementation Plans to eliminate a well-known and often-used Clean Air Act defense for excess emissions. While specific elements of the defense...more

Locke Lord QuickStudy: EPA Stakes Out Approach to Address GHG Permitting for Authorized Sources Affected

On December 19, 2014 the Environmental Protection Agency (EPA) issued two memoranda outlining the Agency’s planned response to the Supreme Court’s June 2014 decision in Utility Air Regulatory Group (UARG) v. Environmental...more

More Regulatory Stability and Incentives for Biogas and Biomass Projects

Last month, the U.S. Environmental Protection Agency (EPA) announced a host of new incentives to encourage the use of fuels derived from biomass—including biogas that replaces traditional natural gas in the form of compressed...more

When Is a Solid Waste Not a Solid Waste? An Eternal Question

This year, EPA has proposed a rule to regulate GHG emissions from existing sources, the legality of which turns, in significant part, on the definition of a “source” under section 111(d) of the Clean Air Act. It has also...more

The Space Between Draft and Final

EPA has a lot to consider in finalizing its rule directing states to create programs to reduce greenhouse gas (GHG) emissions from fossil fuel fired electric generating units. The public comment period on a recently proposed...more

California Environmental Law and Policy Update - November 2014 #4

Environmental and Policy Focus: Coastal California residents using far less water - Associated Press - Nov 4: Residents in coastal communities use far less water than their inland counterparts, but still find ways to...more

News Flash: Cap-and-Trade Remains the Most Efficient Way to Reduce Emissions

Notwithstanding Congressional gridlock on climate change legislation, cap-and-trade remains the tried and true efficient method for reducing air emissions. Although the acid rain provisions of the Clean Air Act are the most...more

Supreme Court Roundup: Recent Environmental Law Rulings and Pending Cases

Scaling back considerably from the October 2012 Term, the United States Supreme Court issued only a few rulings affecting environmental law during the October 2013 Term. With significant pronouncements regarding EPA’s Clean...more

Wrap-Up of Federal and State Chemical Regulatory Developments (September 2014)

Health Activists' Petition Seeks Sunset Of CBI Claims: On August 21, 2014, six environmental health organizations filed a petition under Section 21 of the Toxic Substances Control Act (TSCA). The petition urges the U.S....more

New Wave of State Law Air Pollution Torts?

The U.S. Supreme Court’s denial of certiorari in Bell v. Cheswick could pave the way for more state common law air pollution tort suits and greater exposure for emitters. A new wave of state common law air pollution...more

EPA Regulation of Greenhouse Gases

The United States Supreme Court ruled in June that the Environmental Protection Agency (EPA) must reduce its authority to regulate greenhouse gas emissions from stationary sources. The EPA tried to increase two of its permit...more

Environmental Alert: EPA Will Not Require or Enforce Air Permits Solely For GHGs

On July 24, 2014 the U.S. Environmental Protection Agency (EPA) Office of Air and Radiation issued a Memorandum to all EPA Regions regarding the issuance and enforcement of Greenhouse Gas (GHG) related air permits following...more

Only When a Permit is Required: The Supreme Court Caps the EPA’s Authority to Regulate Greenhouse Gas Emissions from Stationary...

Utility Air Regulatory Group v. EPA et al. 573 U.S. ____ (2014) - On June 23, 2014, the United States Supreme Court held that the Environmental Protection Agency (EPA) overstepped its authority under the Clean Air Act...more

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