Union of Concerned Scientists

NOVEMBER 13, 2024

In addition, OAR’s research improves weather forecasting models, helping to predict severe weather and air quality issues more accurately. These efforts save lives by providing advanced warning and helping communities prepare for hurricanes, wildfires, and air pollution events.

Climate Change

Legal Planet

NOVEMBER 27, 2024

A quick refresher: Automobiles and trucks are among the leading causes of climate- and lung-destroying air pollution worldwide, and shifting from gasoline-powered to electric vehicles is a key strategy (among many) to cut these emissions. This is terrible news for the climate and for air quality, of course.

Fossil Fuels

PA Environment Daily

MARCH 17, 2025

Our mission is to improve policy and regulations for the oversight of fossil fuel extraction and use; to educate, empower and organize coalfield citizens; and to protect public and environmental health. CCJ has over three thousand members and supporters and is governed by a volunteer Board of Directors.

Natural Gas

Union of Concerned Scientists

MAY 21, 2025

Over 156 million people in the US are exposed to unhealthy levels of air pollutants, according to the recently published 2025 State-of-the Air report from the American Lung Association (ALA). For 25 years the report has helped people across the country understand the quality of the air in their communities.

Ozone

PA Environment Daily

MAY 1, 2025

Shapiro and CNX Resources Corporation announced the Department of Environmental Protection will begin conducting an independent study of unconventional shale gas well pad air emissions. will be monitored close to the well pad through the duration of the air monitoring project. On May 1, Gov. VOCs and PM2.5 Read more here.

Natural Gas

Union of Concerned Scientists

NOVEMBER 25, 2024

For instance, research by the US Environmental Protection Agency (EPA) has quantified the effects of air pollution associated with respiratory diseases, leading to regulations that improve air quality and public health.

Fossil Fuels

Law Columbia

MAY 22, 2025

On March 12, Environmental Protection Agency (EPA) Administrator Lee Zeldin announced plans to reconsider EPAs 2009 endangerment finding for greenhouse gas (GHG) emissions, along with all regulations and actions that rely on the finding. The Supreme Court explicitly held in Massachusetts v. 7521(a)(1).

2009

PA Environment Daily

AUGUST 7, 2025

The latest auction resulted in this generation mix —with 67% of the generation in PJM being from fossil fuels, with gas being the largest source. Billion Pounds Of Air Pollution Since It Began Operation, During 80 Malfunctions, 43 Violation Episodes [PaEN] -- PA Senate Republican Policy Committee To Hold Aug.

Natural Gas

PA Environment Daily

JULY 30, 2025

On July 28, the US Environmental Protection Agency formally issued an interim final rule extending several deadlines for industry compliance with national methane standards for new and existing oil and gas facilities, known as Section 111, OOOOb/c of the Clean Air Act. July 30 is the last day to comment on the Plan.

Clean Air Act

Union of Concerned Scientists

FEBRUARY 4, 2025

UCS has also worked for many years to clean up trucking pollution, and our work now encompasses other parts of the freight system. All of this activity makes ports surrounded by dangerous levels of air pollution.

Electricity

PA Environment Daily

MAY 2, 2025

. -- New Castle Power, LLC - New Castle Natural Gas Power Plant: DEP invites comments on the renewal of a Title V Air Quality Permit for the facility located in Taylor Twp., Lawrence County. ( Lycoming County. Received March 26, Issued April 21. ( Received March 26, Issued April 21. ( Butler County. ( Read more here.

Natural Gas

Legal Planet

DECEMBER 19, 2024

Supreme Court issued important orders in two closely-related environmental lawsuits previously decided by the U.S. Environmental Protection Agency, agreeing to decide whether fossil fuel manufacturers have legal standing to challenge an EPA decision under the federal Clean Air Act.

Clean Air Act

Inside Climate News

JULY 5, 2025

Analysis shows EPA rollbacks of the HON rule would put overburdened communities at risk and benefit chemical plants that frequently violate their permits. By Shelby Jouppi This story was published in partnership with Public Health Watch.

Fossil Fuels

Union of Concerned Scientists

FEBRUARY 18, 2025

The Endangerment Finding establishes that heat-trapping emissions harm people and the environment, and it forms a core legal basis for the agencys subsequent actions to set standards to limit global warming pollution from vehicles and power plants, as well as methane pollution from oil and gas operations.

Fossil Fuels

Law Columbia

MAY 5, 2025

President Trump retook the White House in the midst of a booming transition from fossil fuels to clean energy. While fossil fuels still generated approximately 58% of electricity nationwide, wind and solar generated at least 33% of electricity in ten states. To read other posts from the series, click here.

Renewable Energy

PA Environment Daily

MAY 2, 2025

The Department of Environmental Protection published notice in the May 3 PA Bulletin it received an Air Quality Plan Approval application on April 4 for a 4.6 gigawatt natural gas-fired power plant from Homer City Generation, LLC to be located in Center Township, Indiana County. (

Natural Gas

PA Environment Daily

MARCH 12, 2025

attitude about the drawbacks to that offered by the Trump administrations actions and perpetuated by his recently appointed Environmental Protection Agency chief Lee Zeldin dont contribute to finding the most sensible solutions to address all concerns. The Who cares?

Natural Gas

Union of Concerned Scientists

NOVEMBER 25, 2024

However, the “actions”—given euphemistic titles like “protect consumer choice”—actually aim to roll back science-based environmental protections in order to maximize already massive profits. The rule required a waiver because it’s stronger than the federal Clean Air Act, and 13 states have already approved similar standards.

Fossil Fuels

PA Environment Daily

JULY 6, 2025

23 Hard-To-Recycle Collection Events In Allegheny County [PaEN] -- Interfaith Partners For The Chesapeake Bay: Sept. 4 Webinar - Rewild Your Yard: How Meadows Support Pollinators And Clean Water [PaEN] -- Call For Posters: Alliance For The Chesapeake Bay 2025 Chesapeake Watershed Forum Nov. 7, 21, Sept. 7, 21, Sept.

Natural Resources

PA Environment Daily

JULY 6, 2025

Kober [PaEN] -- Erie Times: US Attorney Moves To End Prosecution Of Erie Coke [Coal] Plant Chief, Further Curtailing Case Involving Felony Charges Brought By A Grand Jury For Illegal Air Pollution -- WHYY: Philly Schools Delayed Asbestos Inspections And ‘Knowingly’ Failed To Make Repairs: US Dept.

Conservation

Law Columbia

OCTOBER 18, 2024

Environmental Protection Agency (EPA) in West Virginia v. Several states and industry groups are challenging EPA’s 2024 rules which set greenhouse gas emissions limits for certain fossil fuel power plants nationwide (referred to here as the Power Plant Rules). In 2007, the Supreme Court held in Massachusetts v.

2024

Union of Concerned Scientists

MAY 15, 2025

While the shifts in freight systems in response to the boom in e-commerce have led to many efficiencies, they have also influenced a significant rise in the number of new mega-warehousescrucial hubs in this new system of freight and commerce, but magnets for highly polluting heavy-duty trucks and freight equipment.

Ground-Level Ozone

PA Environment Daily

MARCH 12, 2025

Josh Shapiro and Department of Environmental Protection officials joined Penn Mechanical Group and local leaders in Washington County to plug the 300th orphaned or abandoned well under the Shapiro Administration. On March 12, Gov. Read more here.]

Technology

Union of Concerned Scientists

MARCH 6, 2025

Lee Zeldin was full of pablum in his January Senate confirmation hearing to run the Environmental Protection Agency (EPA). Many other states in recent years have decided they would follow Californias standards, as they are allowed to under the Clean Air Act.

Climate Change

PA Environment Daily

APRIL 1, 2025

However, the administrations definition of clean includes the use of fossil fuels, which will extend the timeline of fossil fuel extraction, endangering the health of those nearby and placing our planet in continued jeopardy. -- Petrochemical facilities , such as the Shell ethane cracker plant in Beaver County, rely on fossil fuels to operate.

Fossil Fuels

PA Environment Daily

MARCH 16, 2025

On March 6, the Department of Environmental Protection ordered Energy Transfer/Sunoco to install water treatment systems in over 200 homes impacted by the pipeline leak. Read more here. The Grand Jury learned that at many of the locations during the construction of the Mariner East 2 Pipeline, Sunoco Pipeline L.P.

Natural Gas

PA Environment Daily

MARCH 15, 2025

Josh Shapiro and Department of Environmental Protection officials joined Penn Mechanical Group and local leaders in Washington County to plug the 300th orphaned or abandoned well under the Shapiro Administration. Read more here. Governor Marks Plugging 300th Abandoned Conventional Well On March 12, Gov.

Natural Gas

PA Environment Daily

MAY 9, 2025

Billion [PaEN] -- Evangelical Environmental Network Celebrates House Passage Of Community Solar Energy Legislation In PA [PaEN] -- PJM Releases List Of 51 Fast Tracked Power Projects To Provide 9.3 Yaw Senate Bill 349 To Encourage Responsible Solar Development, Protect Landowners Approved By Senate 49 to 1 [Sen. And Saved $44.2

Air Pollution

Circle of Blue

JUNE 17, 2025

The Environmental Protection Agency also wants to shred 35 years of progress on curbing air pollution from coal-fired generating stations by allowing more poisonous mercury and sulfur dioxide (cause of acid rain) into the air and water.

2025

PA Environment Daily

MARCH 13, 2025

Pennsylvania American Water will submit an aquifer test plan to the Department of Environmental Protection this spring. Read more here.] This test plan measures the well's water flow rates and must be submitted as part of the application for a new source.

2026

Union of Concerned Scientists

AUGUST 7, 2025

Source: AirNow The Air Quality Index (AQI), EPA’s tool for reporting air quality, combines monitoring of five major air pollutants regulated by the Clean Air Act, including the particle pollution found in wildfire smoke. When combined with summer heat and ground level ozone, conditions can worsen further.

Ground-Level Ozone

Law Columbia

MAY 1, 2025

In the marine carbon dioxide removal space, in April, the Environmental Protection Agency (EPA) approved a permit for an ocean alkalinity enhancement research project in federal waters off the coast of Massachusetts. Those regulations, issued in 2024, proscribed emissions reduction standards for fossil fuel-fired power plants.

Carbon Dioxide

PA Environment Daily

MARCH 14, 2025

PA Bulletin, page 2132 ) Air Quality Permits - Issued -- Range Resources Appalachia, LLC - Laurel Hill Shale Gas Pad Compressor Station: DEP issued an Air Quality Plan Approval covering multiple sources of air pollution at the facility located in Jackson Twp., Received Dec. Lycoming County. Received Jan. Received Feb.

Natural Gas

PA Environment Daily

MARCH 12, 2025

On March 12, the US Environmental Protection Agency announced sweeping plans to reconsider more than 31 major environmental regulations and programs, including pulling back regulations reducing methane emissions and regulating production wastewater from oil and gas operations.

Regulations

PA Environment Daily

JULY 17, 2025

Eric Nelson (R-Westmoreland) announced plans to introduce legislation to accelerate DEP and other permits for data centers and dedicated power plants that are “behind the meter” that meet or exceed federal air pollution and other standards. The guarantee that standards are exceeded would only be the stamp of an engineer, with A.I.

Regulations

Union of Concerned Scientists

JULY 16, 2025

On June 11, less than five months into the Trump administration, Environmental Protection Agency (EPA) Administrator Lee Zeldin used a rulemaking about regulating power plant carbon pollution to officially establish climate denial as EPA policy. Plus, a rundown on how to fight back. What is EPA proposing to do?

Carbon Emissions

PA Environment Daily

JULY 25, 2025

Air Quality Permits - Comments -- Transcontinental Gas Pipe Line Co. LLC - Buck Township Facility: DEP invites comments on the renewal of a Title V Air Quality Permit for multiple sources of air pollution at the facility located Buck Twp., Luzerne County. ( PA Bulletin, page 5017 ) -- Vicinity Energy Philadelphia, Inc.

Electricity