Power Play: Navigating EPA's New Rulebook - Energy Law Insights
Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law
SCOTUS Clean Air Act Cases: What’s New?
Rewriting the Rules: The Supreme Court's Landmark Decision on Clean Water Act Permits
On-Demand Webinar | Regulatory Uncertainty and Linear Infrastructure Projects: Where Are We and What’s Ahead?
PFAS: Increasing Regulations and Managing Legal Liability
On-Demand Webinar | Linear Infrastructure Redux: Adapting Your Projects to Meet the New Regulatory Climate
The Current and Future Landscapes of EPA Criminal and Civil Enforcement
On-Demand Webinar | The New NEPA Regulations: A Practical Guide to What You Need to Know
One-on-One with David Fotouhi, Acting General Counsel at the EPA
Volatile Times in Vapor Intrusion Regulation: A Legal and Technical Update
[WEBINAR] Fairly (or Unfairly?) Traceable: Are Discharges Through Groundwater Subject to the Clean Water Act?
[WEBINAR] Update on the California Environmental Quality Act: What’s New for 2018
Background - In June 2023, the Canadian Environmental Protection Act, 1999 (CEPA) was amended to recognize the Right to a Healthy Environment (Right) and to require the development of an implementation framework outlining...more
In Ohio Environmental Council v. State of Ohio, Case No. 23-CV-002403, the court of common pleas of Franklin County, Ohio addressed certain claims brought by environmental groups seeking to challenge the state land leasing...more
Work to find and stop methane emissions is getting a $100-million boost, with an investment aimed at expanding satellite monitoring and helping countries adopt policies to rein in releases of the potent greenhouse gas....more
United States Senator Mike Lee of Utah introduced legislation titled: The Fair Air Enforcement Act....more
On October 23, 2025, the Paris Judicial Court issued its long-awaited judgment in the so-called "greenwashing" case brought by Greenpeace and other NGOs against TotalEnergies SE and its subsidiary TotalEnergies Electricité et...more
The tug of war for appropriations is not new. As reported by the Associated Press, the most recent battle is over clean energy funding for Americans. On April 22, 2024, former President Joe Biden announced $7 billion in...more
Manufacturers are facing a wave of complex and overlapping environmental regulations at both the state and federal levels. This session will examine two current issues that should be top of mind for manufacturers:...more
Welcome to Horizon, DLA Piper’s monthly bulletin reporting on late-breaking legislative and policy developments in ESG. Our aim is to scan the litigation, enforcement, and regulatory horizon to help inform business decisions....more
The D.C. Circuit held that EPA failed to adequately justify its rescission of the longstanding affirmative defense for emergency-related emissions exceedances under the Clean Air Act’s Title V program. The Court emphasized...more
In Diamond Alternative Energy, LLC v. Environmental Protection Agency, the Supreme Court held that fuel producers have standing to sue the Environmental Protection Agency for approving California regulations that would...more
Illinois expands jurisdiction and regulation of PFAS, court dismisses suit challenging Minnesota ban on cookware with PFAS, California initiates process to regulate microplastics under state Safer Consumer Products Law, and...more
Coalitions of Republican-led states, industry associations led by the U.S. Chamber of Commerce, and, most recently, the U.S. Department of Justice are testing “climate superfund” laws that aim to recover billions from carbon...more
Both Convergence and Divergence Seen in Emerging State Climate - Disclosure Bills A wave of climate-related disclosure bills in California, New York, Colorado, New Jersey, and Illinois share a common architecture yet...more
On August 15, Illinois Gov. JB Pritzker signed nearly 270 bills into law, including legislation expanding jurisdiction for claims of exposure to “toxic” substances, as well as two new laws regulating the use of PFAS. In a...more
On 23 July 2025, the International Court of Justice (the “ICJ”), the highest judicial body of the United Nations, issued its long anticipated Advisory Opinion on climate change (the “Advisory Opinion”). ...more
The Environmental Defense Fund, Environmental Integrity Project, Natural Resources Defense Council, and Sierra Club (collectively, “EDF”) filed in the United States Court of Appeals for the District of Columbia Circuit an...more
On July 23, 2025, the International Court of Justice (ICJ) issued a landmark advisory opinion, holding that nation-states have obligations under international law to mitigate greenhouse gas (GHG) emissions, adapt to the...more
On August 11, 2025, the U.S. District Court for the District of Minnesota granted the Minnesota Pollution Control Agency’s (MPCA) motion to dismiss the Cookware Sustainability Alliance’s (CSA) suit for failure to state a...more
In a significant victory for the hydropower industry, last week the U.S. District Court for the District of Oregon issued an order in Cascadia Wildlands v. EWEB (Case No. 6:25-00446), reaffirming that the U.S. courts of...more
While shifting political winds don’t literally blow through the trees, their force and impact can cause environmental policy to lurch back and forth. For instance, in 2020, during the final quarter of the first Trump...more
California – as part of effort to reduce the environmental impact of maritime shipping, particularly within vulnerable port-side communities – has implemented one of the most ambitious port-emission control programs to date....more
On July 22, 2025, the U.S. Court of Appeals for the District of Columbia (D.C.) Circuit granted a motion by the Environmental Protection Agency (EPA) to lift the abeyance in consolidated litigation challenging the agency’s...more
In a landmark advisory opinion dated 23 July 2025, the International Court of Justice (“ICJ”) has unanimously found that States are legally bound to protect the environment from greenhouse gas emissions (“Opinion”). We...more
The climate debate has whipsawed in recent years. Businesses frequently have been caught in the middle, with stakeholders including government regulators, activist investors, consumers, non-governmental organizations, and...more
In a unanimous decision on July 23, 2025, the fifteen judges on the United Nations’ International Court of Justice (“ICJ”), also known as the “World Court,” concluded that the production and consumption of fossil fuels “may...more