Clean Air Act, Environmental Protection and Regulations - Environmental Professionals Connection

How the Supreme Court’s Chevron Decision Benefits Big Oil and Gas

Union of Concerned Scientists

JULY 1, 2024

This decision , reached with a 6-3 majority led by Chief Justice John Roberts, marks a significant shift in administrative law and has profound implications for environmental regulations and climate accountability. Successful court cases could limit the scope of future regulations.

Regulations

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NEPA as an environmental back-stop

Legal Planet

MARCH 28, 2025

This is the second in a series of posts on the reasons we might have environmental review. Why might we have an environmental review statute such as NEPA when we already have a range of other environmental protection statutes such as the Clean Air Act, the Clean Water Act, and more?

Clean Water Act

Clean Water Act Clean Air Act Endangered Species Act Regulations

EPA Strengthens Emissions Controls for Facilities Emitting Cancer-Causing Ethylene Oxide

Union of Concerned Scientists

MARCH 18, 2024

Last week, the US Environmental Protection Agency (EPA) finalized updated regulations for certain facilities that emit ethylene oxide (EtO), a colorless, cancer-causing gas. For the first time, the government will regulate fugitive or “unintended” emissions and require permanent total enclosure of sterilization operations.

Clean Air Act

Clean Air Act Air Pollution Regulations 2005

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Why UCS Supporters Are Pressing EPA to Let California Enforce Its Truck Pollution Rules

Union of Concerned Scientists

DECEMBER 1, 2022

California has a longstanding leadership role on transportation pollution, and the Clean Air Act grants the state the right to set strong vehicle emissions standards. Over 10,000 UCS supporters chimed in with EPA in support of granting California’s ability to enforce its truck regulations. Washington.

Nitrogen Oxides

Nitrogen Oxides Clean Air Act Ozone Fossil Fuels

Will the EPA Strengthen Ethylene Oxide Standards Without Outside Interference?

Union of Concerned Scientists

FEBRUARY 21, 2024

The US Environmental Protection Agency (EPA) regulates emissions of EtO, yet the agency is years behind on updating standards and control requirements, despite mounting evidence of the harm of long-term EtO exposure. A decade overdue , EPA is finalizing updated regulations for commercial sterilizers now.

Clean Air Act

Clean Air Act Regulations 2005 Environmental Protection

The Profound Climate Implications of Supreme Court’s West Virginia v. EPA Decision

Union of Concerned Scientists

JULY 1, 2022

Environmental Protection Agency. That’s because the case, which was about the nature and scope of EPA authority in regulating carbon emissions from existing power plants, turned on a rule that does not exist. EPA did not revoke EPA’s underlying authority to regulate greenhouse gas emissions under the Clean Air Act.

Fossil Fuels

Fossil Fuels Clean Air Act Clean Energy Greenhouse

Judicial Review After Loper Bright

Legal Planet

JULY 2, 2024

If a regulation was upheld in the Chevron era, that decision remains valid statutory precedent. As an example of a statutory delegation of authority, the Court cites a provision in the Clean Water Act, 33 U. which shall assure” various outcomes, such as the “protection of public health” and “public water supplies.”

Clean Air Act

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Supreme Court Sidelines Science, Threatens Public Health: These Rules-in-Progress Show What’s at Stake

Union of Concerned Scientists

JULY 9, 2024

When facilities emit less pollution, their regulations require less specific record-keeping and monitoring. How stringently facilities are monitored should be based on science and on the impacts on the people who live nearby—not by a judge’s ideological viewpoint on regulation.

Toxic Substances Control Act

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Memphis Facility Emitting Cancer-Causing Ethylene Oxide Gas to Close

Union of Concerned Scientists

SEPTEMBER 22, 2023

The facility in South Memphis was among the most dangerous commercial sterilization facilities in the United States, featured by the US Environmental Protection Agency (EPA) as one of more than 20 facilities contributing to “elevated cancer risks” in nearby communities. EPA is currently reviewing comments on the proposed rule.

Air Pollution

Air Pollution Clean Air Act Regulations 2024

What is Ethylene Oxide? Answers to Your Questions about the Cancer-Causing Chemical

Union of Concerned Scientists

OCTOBER 6, 2022

The US Environmental Protection Agency (EPA), the National Toxicology Program, and the International Association of Research on Cancer classify EtO as a substance that can cause certain cancers. EPA plans to issue a Clean Air Act rulemaking for commercial sterilizers later this year and for other chemical facilities soon, as well.

Clean Air Act

Clean Air Act 2019 Environmental Protection 2020

EPA: Clean Air Act Presidential Exemption Request Information; Send Requests To: airaction@epa.gov

PA Environment Daily

MARCH 28, 2025

On March 24, the US Environmental Protection Agency posted information on how industries regulated under a variety of federal Clean Air Act programs could obtain Presidential Exemptions from those requirements. Click Here for the EPA announcement [ PDF of page ].

Clean Air Act

Clean Air Act Air Pollution Fossil Fuels Pollution Control

Protecting Public Health Is Complicated. But Science Can Help, and the Time Is Now.

Union of Concerned Scientists

SEPTEMBER 30, 2024

When we breathe the air or drink the water, we’re taking in any potential contaminants all at once—with effects that can combine or even compound. Cumulative impact assessments look at health, environmental, and social factors (stressors and burdens) to help officials make better environmental decisions.

Air Pollution

Air Pollution Toxic Substances Control Act Environmental Protection Ozone

EPA’s Power Plant Carbon Rules Are Critical—and Complex. Here’s What to Know, and What to Watch.

Union of Concerned Scientists

APRIL 20, 2023

Multiple lines of analysis make clear that regardless of how cheap wind and solar power get, without directly addressing pollution from coal and gas plants, the country’s clean energy transition will not happen fast enough. One critical tool for forcing that reckoning comes from the Environmental Protection Agency (EPA).

Clean Air Act

Clean Air Act Fossil Fuels Carbon Emissions Clean Energy

EPA Announces $1.35 Million Penalty, Settlement With Genesee & Wyoming Railroad Over Clean Air Act Violations

PA Environment Daily

JANUARY 24, 2023

Environmental Protection Agency and the Department of Justice announced a settlement with Genesee & Wyoming Railroad Services Inc. and numerous affiliated companies (collectively, GWRSI) for violation of Clean Air Act (CAA) locomotive regulations. On January 24, the U.S.

Clean Air Act

Clean Air Act Nitrogen Oxides Ozone Pollution Control

DEP Posted 86 Pages Of Permit-Related Notices In February 15 PA Bulletin

PA Environment Daily

FEBRUARY 14, 2025

Highlights of the environmental and energy notices in the February 15 PA Bulletin -- -- The Governors Office published an updated agency-by-agency Regulatory Agenda in the February 15 PA Bulletin that lists regulations in development, an estimated schedule of consideration and opportunities for public comments. Read more here.

Waste

Waste Regulations Clean Air Act 2025

Happy 50th Anniversary, Federal Clean Water Act

Legal Planet

OCTOBER 18, 2022

Nevertheless, and with the possible exception of the Clean Air Act, no law enacted as part of the outpouring of federal environmental legislation in the 1970’s has proven more successful and transformational than the CWA. Environmental Protection Agency.).

Clean Water Act

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DEP Determines Rulemaking Petition Submitted By Environmental, Health Groups To Adopt More Protective Setbacks From Shale Gas Wells Is An Action The Environmental Quality Board Has Statutory Authority To Take

PA Environment Daily

NOVEMBER 25, 2024

On November 21, the Department of Environmental Protection announced it has determined , in response to a rulemaking petition, the state Environmental Quality Board has the statutory authority to adopt a regulation setting more protective setbacks from shale gas wells for homes, schools and streams in its initial petition review.

Natural Gas

Natural Gas Clean Air Act Regulations Air Pollution

The Supreme Court’s Latest Decision Is a Blow to Stopping Climate Change

Union of Concerned Scientists

JULY 3, 2022

Environmental Protection Agency et al. Instead, the Court has ruled that, though the agency can still regulate carbon emissions, it must do so narrowly and set standards solely based on options available at individual power plant facilities, such as efficiency measures to improve plant-level heat rates.

Climate Change

Climate Change Fossil Fuels Carbon Emissions Nitrogen Oxides

West Virginia v. EPA Limits the Federal Government’s Power to Promote Clean Energy and Combat Climate Change

Law and Environment

JULY 1, 2022

EPA on Thursday, June 30, 2022, curbing the power of the Environmental Protection Agency (EPA) to regulate greenhouse gas emissions from power plants across the country. The decision focuses on EPA’s authority under a specific section of the Clean Air Act. The Supreme Court decided West Virginia v.

Clean Energy

Clean Energy Climate Change Clean Air Act Greenhouse

Young Evangelicals For Climate Action Respond To U.S. Supreme Court Decision On Regulating Power Plant Carbon Pollution

PA Environment Daily

JUNE 30, 2022

Environmental Protection Agency to limit greenhouse gas emissions from power plants under the Clean Air Act. We are deeply troubled by this decision that undermines the authority of the very agency tasked with the mission ‘to protect human health and the environment.’ On June 30, the U.S.

Regulations

Regulations Clean Air Act Carbon Dioxide Carbon Emissions

Ask a Scientist: EPA Failing to Protect Communities from Cancer-Causing Gas

Union of Concerned Scientists

FEBRUARY 9, 2023

The Environmental Protection Agency (EPA) has known for years that emissions of ethylene oxide —a colorless, odorless gas used to sterilize medical equipment and some food products—pose a long-term cancer risk to communities near commercial sterilizing facilities. This is a blatant example of environmental injustice.

Clean Air Act

Clean Air Act 2016 2006 Air Pollution

EPA Must Protect Communities from Cancer-Causing Ethylene Oxide

Union of Concerned Scientists

MAY 19, 2023

Earlier this month, I provided testimony to the Environmental Protection Agency (EPA) at a public hearing on the proposed rule on sterilization facilities that emit ethylene oxide (EtO), a cancer-causing gas. Many companies transport sterilized medical equipment to warehouses that are not subject to Clean Air Act regulations.

2016

2016 Clean Air Act Regulations Environmental Protection

U.S. Dept. Of Justice Indicts Erie Coke (Coal) And Corporate Officer For Violating Federal Clean Air Act Over 4 Years

PA Environment Daily

NOVEMBER 17, 2022

On November 17, Erie Coke Corporation, along with a corporate officer, have been indicted by a federal grand jury in Erie on among other charges, Violation of the Clean Air Act, United States Attorney Cindy K. The United States Environmental Protection Agency conducted the investigation leading to the Indictment in this case.

Clean Air Act

Clean Air Act Environmental Protection Air Pollution 2015

UCS Testimony on the Clean Hydrogen Production Tax Credit

Union of Concerned Scientists

MARCH 25, 2024

Department of the Treasury is hosting a public hearing on the December 2023 proposed regulations governing implementation of the Section 45V Credit for Production of Clean Hydrogen. The proposed regulations clearly adhere to that framework, fully comporting with a plain reading of the text.

Clean Energy

Clean Energy Waste Greenhouse Clean Air Act

US EPA proposed Clean Air Act endangerment finding targets aviation fuel

Environmental News Bits

NOVEMBER 11, 2022

On October 17, 2022, the United States Environmental Protection Agency issued a proposed finding that lead air pollution may reasonably be anticipated to endanger the public health and welfare within the meaning of Section 231(a) of the Clean Air Act, 42 U.S.C.

Clean Air Act

Clean Air Act Air Pollution Environmental Protection 2022

DEP Requiring Any Facility Operating Under A Title V Temporary Air Plan Approval For More Than 12 Months To Submit a Title V Operating Permit On Or Before Nov. 25, 2024

PA Environment Daily

JULY 26, 2024

The Department of Environmental Protection published notice in the July 27 PA Bulletin that it is requiring any facility operating under a temporary Title V Air Quality Plan Approval for more than 12 months to submit an application for a Title V Air Quality permit on or before November 25, 2024.

2024

2024 Clean Air Act Air Pollution Natural Gas

Washington & Jefferson College Hosts March 30 Webinar On Two Approaches To Reducing Natural Gas Methane Emissions

PA Environment Daily

MARCH 25, 2022

Environmental Protection Agency, and Max Goff , certification manager for Project Canary , will give separate presentations. The EPA is proposing a new Clean Air Act rule to sharply reduce methane emissions from the oil and natural gas industry – including, for the first time, reductions from existing sources nationwide.

Natural Gas

Natural Gas Clean Air Act Regulations Environmental Protection

EQB Overwhelmingly Approves Emergency Regulation Setting VOC/Methane Limits For Conventional Oil & Gas Facilities; Republicans Vote Against

PA Environment Daily

NOVEMBER 30, 2022

On November 30, the Environmental Quality Board voted 15 to 2 to approve the emergency regulation setting VOC/methane emission limits for conventional oil and gas facilities. Daryl Metcalfe (R-Butler) voted no on the regulation. Representatives for Sen. Gene Yaw (R-Lycoming) and Rep. Read more here. Read more here.

Regulations

Regulations Natural Gas 2016 Waste

I Don’t Make the Rules, I Comment on Them

Union of Concerned Scientists

MAY 12, 2023

It is entirely different thing for a federal agency to make a rule (in other words, regulations) in accordance with that law. Today, rulemakings surrounding lead have evolved into full-fledged prevention programs tasked with preventing childhood lead poisoning and protecting disadvantaged communities.

Regulations

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EPA Proposes to Regulate Chemical Recycling Pyrolysis and Gasification Units

E2 Law Blog

SEPTEMBER 29, 2021

8, 2021, the United States Environmental Protection Agency (EPA) issued an Advance Notice of Proposed Rulemaking (“ ANPRM Notice ”) addressing possible future regulation of pyrolysis and gasification units under the federal Clean Air Act (CAA). The EPA set Nov.

Regulations

Regulations Recycling Clean Air Act Waste

The Good Neighbor Provision on Steroids: Third Circuit Ruling Resurrects Clean Air Act Section 126(b)

The Energy Law

JULY 23, 2013

In the recent ruling, the Third Circuit held that it was reasonable for EPA to interpret Section 126(b) to be an “independent mechanism for enforcing interstate pollution control,” thereby giving EPA authority to directly regulate a specific source in an upwind state. See GenOn REMA, LLC v. 12-1022, slip op. at 29 (3d Cir.

Clean Air Act

Clean Air Act Air Pollution Pollution Control Environmental Protection

EPA Files $4.2 Million Settlement Of Air Pollution Violations For 2019 Philadelphia Refinery Explosion, Fire; Public Comments Invited

PA Environment Daily

OCTOBER 8, 2024

Environmental Protection Agency announced the federal government has settled its final federal Clean Air Act (CAA) claim against Philadelphia Energy Solutions Refining and Marketing, LLC pertaining to the June 21, 2019 fire and explosion at its former South Philadelphia refinery. On October 8, the U.S.

2019

2019 Air Pollution Clean Air Act Environmental Responsibility

Federal Court Upholds SCAQMD Warehouse Rule

Clean Energy Law

DECEMBER 21, 2023

By Joshua Bledsoe , Nick Cox , and Jennifer Garlock On December 14, 2023, a US federal judge rejected claims that federal law preempts the South Coast Air Quality Management District’s (SCAQMD or the District) adoption of Rule 2305 (Rule), upholding the first-in-the-nation Rule [1] that regulates trucking emissions from warehouses.

Clean Air Act

Clean Air Act Regulations Law 2023

Louisiana Trial Court Enjoins EPA From Enforcement of Disparate Impact Regulations Under Title VI

MGKF Law

SEPTEMBER 23, 2024

The United States District Court for the Western District of Louisiana, Lake Charles Division, on August 22, 2024 issued an injunction barring the United States Environmental Protection Agency (EPA) and the United States Department of Justice (DOJ) from enforcing regulations based on Title VI of the Civil Rights Act, 42 U.S.C.

Regulations

Regulations Clean Air Act Environmental Protection 2024

Criminal Convictions; Record Penalties, Restitution Of Over $158.3 Million Highlight Big Shale Gas, Related Petrochemical Industry Compliance History In Pennsylvania

PA Environment Daily

MARCH 25, 2025

On March 14, the Attorney General opened another investigation into Energy Transfer/Sunoco into potential environmental crimes related to the Energy Transfer/Sunoco pipeline that leaked petroleum into household wells in Upper Makefield Township, Bucks County. Environmental Protection Agency. Read more here.]

2014

2014 2010 2018 2020

Gas Industry, Sen. Bartolotta Seek Legislation To Eliminate Environmental Hearing Board Appeals Of DEP Permits For Natural Gas Pipeline Facilities

PA Environment Daily

MAY 21, 2024

She contends the federal Natural Gas Act mandates the federal Court of Appeals for the Third Circuit has “exclusive jurisdiction over an appeal which challenges any state agency’s action in either approving or denying a permit when the state agency acts on the basis of federal law.” of Bordentown v. [EHB The EHB denied the motion.

Natural Gas

Natural Gas Clean Air Act Clean Water Act Environmental Protection

Proposed Vermont Regulations Threaten to Upend Process for Treatment of Oily Wastewater

Environment Next

SEPTEMBER 9, 2021

The Vermont Department of Environmental Conservation (VDEC) is currently in the process of reviewing and reauthorizing its Hazardous Waste Management Regulations. However, the proposed regulations add §7-805(g) to its section on used oil determination. Currently, oily wastewater is treated in wastewater treatment facilities.

Regulations

Regulations Waste Clean Air Act Conservation

SCOTUS Invokes Major Questions Doctrine to Restrict EPA Regulation of Greenhouse Gases

SPR Law

JULY 15, 2022

Supreme Court restricted the Environmental Protection Agency’s ability to regulate greenhouse gas (GHG) emissions in its 6-3 decision for West Virginia v. On June 30, 2022, the U.S.

Greenhouse

Greenhouse Regulations Environmental Protection 2022

Journey to the U.S. Supreme Court – Regulating Power Plant Greenhouse Gas Emissions

E2 Law Blog

MAY 31, 2022

EPA ) addressing the scope of the United States Environmental Protection Agency’s (“EPA”) authority to regulate greenhouse gas emissions from existing fossil-fuel powered power plaints. Click here to read the article (begins on p.

Greenhouse

Greenhouse Regulations Fossil Fuels Environmental Protection

What You Need to Know about Advanced Clean Fleets: Funding, Flexibility, and FAQs

Union of Concerned Scientists

JUNE 3, 2024

Because of this, regulators worked closely with impacted businesses, community advocates, and technical and policy experts (like UCS!) The Clean Ports Program (CPP) funded by the IRA and provided through U.S. Other Frequently Asked Questions… What are the climate benefits from the ACF Regulation?

Electricity

Electricity Nitrogen Oxides Air Pollution 2023

EPA Objects To Allegheny County's Air Quality Permit For The US Steel Edgar Thomson Plant

PA Environment Daily

FEBRUARY 12, 2024

On February 12, environmental groups announced the US Environmental Protection Agency formally objected to an air quality permit for the US Steel Edgar Thomson Plant issued by the Allegheny County Health Department in August 2023 saying it was not in compliance with the Clean Air Act.

Nitrogen Oxides

Nitrogen Oxides Carbon Monoxide Air Pollution Clean Air Act

DEP Set To Hold May 17 Hearing On Air Quality Permit For Covanta Waste-To-Energy Facility In Chester, Delaware County

PA Environment Daily

MAY 4, 2023

On May 4, the Department of Environmental Protection announced it will receive public comments and host a May 17 in-person public hearing regarding a plan approval application for Reasonably Available Control Technology (RACT III) requirements for Covanta Delaware Valley, LP, a waste to energy facility in the City of Chester, Delaware County.

Nitrogen Oxides

Nitrogen Oxides Waste Clean Air Act Air Pollution

Air District Targets Southern California Logistics Industry

Clean Energy Law

NOVEMBER 25, 2019

The South Coast Air Basin includes portions of Los Angeles, Riverside, and San Bernardino counties and all of Orange County, covering 6,745 square miles. The SCAQMD is the local agency responsible for attaining these clean air standards in the Basin. Facility-Based Mobile Source Measures.

Ozone

Ozone 2020 Regulations 2019

EPA Finalizes New RMP Rule and Rejects Provision on Transloading

E2 Law Blog

MARCH 11, 2024

Environmental Protection Agency (EPA) issued a final rule on March 1, 2024, updating the Accidental Release Prevention Requirements and Risk Management Program under Section 112(r) of the Clean Air Act (RMP). In a rulemaking closely watched by the transloading industry, the U.S. 40 CFR Part 68.

Clean Air Act

Clean Air Act Regulations Climate Change Environmental Protection

How the Supreme Court’s Chevron Decision Benefits Big Oil and Gas

NEPA as an environmental back-stop

Webinars

Trending Sources

EPA Strengthens Emissions Controls for Facilities Emitting Cancer-Causing Ethylene Oxide

Webinars

Why UCS Supporters Are Pressing EPA to Let California Enforce Its Truck Pollution Rules

Will the EPA Strengthen Ethylene Oxide Standards Without Outside Interference?

The Profound Climate Implications of Supreme Court’s West Virginia v. EPA Decision

Judicial Review After Loper Bright

Supreme Court Sidelines Science, Threatens Public Health: These Rules-in-Progress Show What’s at Stake

Memphis Facility Emitting Cancer-Causing Ethylene Oxide Gas to Close

What is Ethylene Oxide? Answers to Your Questions about the Cancer-Causing Chemical

EPA: Clean Air Act Presidential Exemption Request Information; Send Requests To: airaction@epa.gov

Protecting Public Health Is Complicated. But Science Can Help, and the Time Is Now.

EPA’s Power Plant Carbon Rules Are Critical—and Complex. Here’s What to Know, and What to Watch.

EPA Announces $1.35 Million Penalty, Settlement With Genesee & Wyoming Railroad Over Clean Air Act Violations

DEP Posted 86 Pages Of Permit-Related Notices In February 15 PA Bulletin

Happy 50th Anniversary, Federal Clean Water Act

DEP Determines Rulemaking Petition Submitted By Environmental, Health Groups To Adopt More Protective Setbacks From Shale Gas Wells Is An Action The Environmental Quality Board Has Statutory Authority To Take

The Supreme Court’s Latest Decision Is a Blow to Stopping Climate Change

West Virginia v. EPA Limits the Federal Government’s Power to Promote Clean Energy and Combat Climate Change

Young Evangelicals For Climate Action Respond To U.S. Supreme Court Decision On Regulating Power Plant Carbon Pollution

Ask a Scientist: EPA Failing to Protect Communities from Cancer-Causing Gas

EPA Must Protect Communities from Cancer-Causing Ethylene Oxide

U.S. Dept. Of Justice Indicts Erie Coke (Coal) And Corporate Officer For Violating Federal Clean Air Act Over 4 Years

UCS Testimony on the Clean Hydrogen Production Tax Credit

US EPA proposed Clean Air Act endangerment finding targets aviation fuel

DEP Requiring Any Facility Operating Under A Title V Temporary Air Plan Approval For More Than 12 Months To Submit a Title V Operating Permit On Or Before Nov. 25, 2024

Washington & Jefferson College Hosts March 30 Webinar On Two Approaches To Reducing Natural Gas Methane Emissions

EQB Overwhelmingly Approves Emergency Regulation Setting VOC/Methane Limits For Conventional Oil & Gas Facilities; Republicans Vote Against

I Don’t Make the Rules, I Comment on Them

EPA Proposes to Regulate Chemical Recycling Pyrolysis and Gasification Units

The Good Neighbor Provision on Steroids: Third Circuit Ruling Resurrects Clean Air Act Section 126(b)

EPA Files $4.2 Million Settlement Of Air Pollution Violations For 2019 Philadelphia Refinery Explosion, Fire; Public Comments Invited

Federal Court Upholds SCAQMD Warehouse Rule

Louisiana Trial Court Enjoins EPA From Enforcement of Disparate Impact Regulations Under Title VI

Criminal Convictions; Record Penalties, Restitution Of Over $158.3 Million Highlight Big Shale Gas, Related Petrochemical Industry Compliance History In Pennsylvania

Gas Industry, Sen. Bartolotta Seek Legislation To Eliminate Environmental Hearing Board Appeals Of DEP Permits For Natural Gas Pipeline Facilities

Proposed Vermont Regulations Threaten to Upend Process for Treatment of Oily Wastewater

SCOTUS Invokes Major Questions Doctrine to Restrict EPA Regulation of Greenhouse Gases

Journey to the U.S. Supreme Court – Regulating Power Plant Greenhouse Gas Emissions

What You Need to Know about Advanced Clean Fleets: Funding, Flexibility, and FAQs

EPA Objects To Allegheny County's Air Quality Permit For The US Steel Edgar Thomson Plant

DEP Set To Hold May 17 Hearing On Air Quality Permit For Covanta Waste-To-Energy Facility In Chester, Delaware County

Air District Targets Southern California Logistics Industry

EPA Finalizes New RMP Rule and Rejects Provision on Transloading

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