Environmental Protection Agency Air Pollution

The U.S. Environmental Protection Agency is an agency of the United States federal government established in 1970 at the proposal of President Richard Nixon to combat environmental degradation and protect human... more +
The U.S. Environmental Protection Agency is an agency of the United States federal government established in 1970 at the proposal of President Richard Nixon to combat environmental degradation and protect human health. As part of its mission, the EPA enforces regulations affecting a variety of environmental issues, including air and water quality, pesticide-use, fuel economy standards, and nuclear contamination.  less -
News & Analysis as of

EPA Issues Final Amendments to Cement Kiln NESHAP

Effective July 27, 2015, EPA amended key components of the National Emission Standard for Hazardous Air Pollutants (NESHAP) for new and existing portland cement kilns. The changes, in part, were necessary to comply with a...more

EPA Finalizes Significant Changes to the Clean Power Plan

On August 3, 2015, the Environmental Protection Agency (EPA) released the final Clean Power Plan, the Obama Administration’s landmark effort to limit carbon dioxide emissions from existing fossil fuel-fired power plants...more

Supreme Court Tells EPA Cost Does Matter

The Environmental Protection Agency's Mercury and Air Toxics Standards (MATS) placed national limits on mercury and other toxic emissions from power plants. The agency projected MATS to prevent 11,000 premature deaths, 4,700...more

President Obama Implements Sweeping New Rules to Control Climate Change

On August 3, 2015, President Obama and the Environmental Protection Agency (EPA) utilized executive action to call for a major societal shift on climate change policy. The new rules, dubbed the Clean Power Plan, are intended...more

CPP Sets First National Standards Limiting Power Plants' Carbon Pollution

President Obama unveiled the final Clean Power Plan (CPP) rule on Aug. 3, 2015, which sets forth a historic and ambitious regulation for cutting greenhouse-gas pollution. The CPP establishes the first-ever national standards...more

EPA Finalizes Carbon Pollution Emissions Standards for Power Plants

Today EPA released its final Clean Power Plan, its first-ever regulations aimed at reducing carbon pollution from electric power plants. The final rule contains several significant changes from the proposed rule that was...more

Top 6 at 6 - Climate Change Legal Highlights of the First Six Months of 2015

Some might say that the Clean Power Plan is all one needs to talk about in any highlights article on recent climate change legal issues. When final the CPP will expand the scope of the Clean Air Act profoundly, impact the...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 Rejects EPA Mercury Emissions Rule

On June 29, 2015, the Supreme Court cast serious doubt upon the future of the Mercury and Air Toxics Standards (“MATS”) by finding that the Environmental Protection Agency (“EPA”) failed to adequately consider the costs of...more

MATS attack: Supreme Court reversal of EPA's Air Toxics Rule signals difficulties ahead

On June 29, 2015, the US Supreme Court, in a 5-4 decision, reversed and remanded to the DC Circuit EPA's Mercury and Air Toxics Standards rule (MATS). Michigan v. EPA, No. 14-46. MATS is a signature regulation of the Obama...more

US Supreme Court Nixes EPA Regulations on Mercury Emissions – Must Consider Costs Early!

In Michigan v. EPA, the U. S. Supreme Court invalidated EPA’s rules limiting emissions of mercury and other pollutants from power plants, ruling that EPA inappropriately ignored the costs of regulation – particularly...more

Supreme Court: EPA Must Consider Cost Of Implementing Regulations

In a 5-4 ruling, the U.S. Supreme Court today ruled that the EPA acted unreasonably when it refused to consider the cost of implementing its Mercury and Air Toxics Standard (MATS). The MATS rule, issued in 2012,...more

California Environmental Law & Policy Update - June 2015 #2

Environmental and Policy Focus: Offshore oil drilling banned along new stretch of California coast - San Jose Mercury News - Jun 10: In the largest expansion of national marine sanctuaries in California in 23 years, the...more

California Environmental Law & Policy Update - March 2015 #4

Environmental and Policy Focus - EPA emissions rules face Supreme Court test: NPR - Mar 25: On April 1, the Supreme Court will hear a challenge to Obama Administration rules aimed at limiting the amount of mercury and...more

New Source Review Update: Courts Limit Aggregation for Major Source Determination and Challenges to NSR Pre-Project Emissions...

Pennsylvania Court Limits NSR Permit Aggregation - In February, the Middle District of Pennsylvania struck down an environmental group’s challenge that Ultra Resources should have aggregated eight compressor stations...more

Source Aggregation: Recent Court Decision Addresses Whether Certain Facilities are "Adjacent"

On February 23, 2015, the U.S. District Court for the Middle District of Pennsylvania issued a decision finding eight compressor stations to be "separate sources" under the Clean Air Act and State of Pennsylvania regulations....more

When Bad Things Happen at Good Facilities (Hazardous Air Pollutant Edition)

Malfunctions happen, even at a well-managed facility. When they happen, they can cause a facility to deviate from emission limits or other standards regarding (among other things) hazardous air pollutants. Furthermore,...more

EPA Issues RCRA Rule Regulating Coal Ash as Non-Hazardous Waste

The U.S. Environmental Protection Agency (EPA) on December 19, 2014, issued a much anticipated and certain to be controversial final rule under the Resource Conservation and Recovery Act (RCRA) on the RCRA regulatory status...more

EPA Proposes to Retain Current Lead NAAQS

Environmental Protection Agency (EPA) Administrator Gina McCarthy on December 19, 2014, signed a proposed rule that would retain, without revision, the national ambient air quality standards (NAAQS) for lead of 0.15...more

California Environmental Law and Policy Update - December 2014

Environmental and Policy Focus: State court may tighten review process for building super-sized homes - SFGate.com - Dec 8: In a case that could redefine the scope of California’s environmental laws, the state Supreme...more

Supreme Court Update: Warger V. Shauers (13-517), Integrity Staffing Solutions V. Busk (13-433) And Order List

We're back with summaries of the first signed decisions of the term, Warger v. Shauers (13-517) on whether Federal Rule of Evidence 606(b) precludes juror testimony during a proceeding in which a party seeks to secure a new...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

California Environmental Law and Policy Update - November 2014

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

California Environmental Law and Policy Update - October 2014 #4

Environmental and Policy Focus - Groups sue EPA over failure to reduce air pollution: KPCC - Oct 17: Environmental groups have filed a lawsuit in U.S. District Court in San Francisco against the U.S. Environmental...more

Exemptions for Excess Emissions During Startup, Shutdown, and Malfunction Are In Jeopardy – What Can You Do?

For many years, a number of state air regulations, including certain MEDEP, NHDES, and RIDEM regulations, have contained exemptions and/or affirmative defenses for excess air emissions occurring during startup, shutdown...more

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