PA Environment Daily

NOVEMBER 21, 2024

“The commitments under the settlements will significantly reduce pollution from these companies’ operations, including volatile organic compounds that contribute to ground-level ozone, and methane, a potent greenhouse gas.” XTO is a natural gas extraction and production company that is a directly held, wholly owned subsidiary of ExxonMobil.

Clean Air Act 113

Clean Air Act Ground-Level Ozone Carbon Dioxide Natural Gas 113

Law and Environment

AUGUST 1, 2023

and ozone are important EJ issues. and ozone disproportionately impact EJ communities. and ozone NAAQS will thus be an important test of the political power of the EJ community. Specifically, with respect to PM 2.5 , WHEJAC recommended that the annual primary standard be lowered to 8.0 As WHEJAC notes in its letter, both PM 2.5

Ozone 130

Ozone Politics 2024 2025 130

HumanNature

JANUARY 30, 2025

Guest Post by Tucker Melles , 2024-2025 Sustainability Leadership Fellow and Ph.D. We breathe oxygen from the atmosphere, weather systems distribute water, and the ozone in the upper atmosphere protects us from harmful radiation. Secondary organic aerosol is important because it makes up a significant fraction of particulate matter.[5]

Ozone 52

Ozone Fossil Fuels Atmosphere Ground-Level Ozone 52

Union of Concerned Scientists

MARCH 23, 2023

NO x also contributes to the formation of ozone (or “smog”), another toxic pollutant. The EPA’s Social Cost of Carbon was adjusted to 2025 to align with the emissions year of the NO x and SO 2 estimates.) A recent study found that more than 99 percent of the global population is exposed to unsafe levels of PM 2.5 micrometers or less.

Fossil Fuels 259

Fossil Fuels 2023 Clean Energy Nitrogen Oxides 259

PA Environment Daily

JANUARY 24, 2025

The Environmental Quality Board published notice in the January 25 PA Bulletin inviting comments on proposed corrections to regulations setting RACT requirements for major sources of NOx and VOCs related to meeting the ozone pollution standard may affect natural gas-fired power plants. Of Health, Penn State Project ECHO Host Feb.

Natural Gas 78

Natural Gas Regulations Ozone 2018 78

Union of Concerned Scientists

OCTOBER 15, 2024

For more on other harmful aspects of Project 2025, see this blog. The Heritage Foundation’s blueprint—Project 2025—to dramatically alter the US Environmental Protection Agency should concern you. Project 2025 takes aim at all those protections. Project 2025 takes aim at grants, as well. It does me.

2025 340

2025 Ground-Level Ozone Air Pollution Climate Change 340

Environmental Progress

SEPTEMBER 12, 2020

By contrast, the Obama administration’s proposed carbon regulation of the power sector, the “Clean Power Plan,” proposed emissions reductions of 32 percent — by 2030. By 2025, the US will close twelve reactors, which constitute 10.5 The US could lose half to two-thirds of its nuclear energy over the next decade.

2020 95

2020 Air Pollution Climate Change Natural Gas 95

ESA

OCTOBER 11, 2022

EPA determines that most Chesapeake Bay watershed states are not on track to meet 2025 pollution reduction commitments. The significant nexus test determines that the Clean Water Act applies if wetlands have a “significant nexus” to regulated waters. States not on track to meet 2025 Chesapeake Bay goals, says report – Virginia Mercury.

2022 75

2022 Clean Water Act 2027 Ocean 75

Union of Concerned Scientists

FEBRUARY 10, 2025

Regulations like Californias Advanced Clean Trucks rule (ACT) have been key to driving increased ZET model availability and deployment in the early years of on-road freight electrification and will be crucial to accelerating this in the coming years.

Nitrogen Oxides 256

Nitrogen Oxides Air Pollution 2029 2024 256

Columbia Climate Law

DECEMBER 2, 2019

On Friday, November 22, the Sabin Center submitted comments opposing an Environmental Protection Agency (“EPA”) proposal to rescind regulations limiting methane emissions from new oil and natural gas facilities (the “Methane New Source Performance Standards” or “Methane NSPS”). By Romany Webb. That is not always the case, however.

Regulations 52

Regulations Natural Gas Air Pollution Ground-Level Ozone 52

Law Columbia

MARCH 13, 2023

EPA , the United States Environmental Protection Agency (EPA) has regulated greenhouse gas (GHG) emissions from motor vehicles under the Clean Air Act. This blog post summarizes the history of federal vehicle emissions regulations, the arguments made by Petitioners in Texas v. billion tons of carbon dioxide emissions by 2050.

Clean Air Act 59

Clean Air Act Air Pollution Climate Change Regulations 59

ESA

APRIL 11, 2022

Supreme Court reinstates Trump administration Clean Water Act regulation. BRUSSELS — The world can avoid the worst consequences of climate change, but emissions need to peak by 2025, the U.N.’s Even 2 degrees becomes unlikely without a peak by 2025. Ohio legislation eases state regulation of some streams – Associated Press.

2022 98

2022 Fossil Fuels Clean Water Act Climate Change 98

ESA

MAY 15, 2023

Courts Supreme Court decision about California’s pork regulations could impact state climate regulations. The Obama Administration finalized a similar regulation, known as the Clean Power Plan, in 2015, but red state attorneys general challenged the rule in the courts and the Trump administration ultimately withdrew the regulation.

2023 92

2023 Endangered Species Act Climate Change Ocean 92

ESA

APRIL 25, 2022

White House repeals Trump-era National Environmental Policy Act regulations. White House: The Biden administration finalized a rule repealing three National Environmental Policy Act (NEPA) regulations implemented during the Trump administration. Judge rules DNR lacks authority to regulate PFAS – Wisconsin Examiner.

2022 98

2022 Ocean Climate Change Regulations 98

Law Columbia

DECEMBER 18, 2024

It is likely that President Trump and the incoming Congress will seek to make similar use of the CRA in 2025. Some organizations, such as George Washington University and Public Citizen , are tracking all regulations that could fall within the lookback period. See, e.g. , Loper Bright Enters. Raimondo , 144 S. 2244 (2024).

2024 59

2024 Environmental Protection Ozone Conservation 59

ESA

JUNE 14, 2021

The Biden administration laid out its timeline for rolling back major Trump environmental rules, but acknowledged that the process of enacting more protective regulations on climate and air pollution and drinking water will take years — if they can estimate the timeline at all.

2021 98

2021 Endangered Species Act Ocean Climate Change 98