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With the first compliance period in the Regional Greenhouse Gas Initiative (RGGI) coming to a close in December, it seems an appropriate time to look back at what we can learn from the country’s first market-based program aimed at reducing emissions of carbon dioxide from power plants.

As the world grapples with elections, continuing inflation, and political conflicts, world leaders are attempting to negotiate two legally binding treaties aimed at solving global health and environmental...

Late last week, EPA released an external review draft of the "Supplement to the 2019 Integrated Science Assessment for Particulate Matter." For those of you who don't recall, the original Integrated ...

The US Environmental Protection Agency (EPA) announced it is seeking applications for two competitive clean energy grant programs, the National Clean Communities Investment Accelerator...

On September 16, 2025, the U.S. Environmental Protection Agency ("EPA") proposed a sweeping rollback of the Greenhouse Gas Reporting Program ("GHGRP") under 40 C.F.R. Part 98.

On April 23rd, the U.S. Supreme Court issued its decision in County of Maui v. Hawaii Wildlife Foundation, holding that the Clean Water Act regulates a release to groundwater that indirectly pollutes surface water...

Earlier this week, a divided 9th Circuit Court of Appeals affirmed entry of a consent decree between the Sierra Club and EPA...

The Clean Water Act regulates discharges of pollutants to waters of the United States. That term is not understood to include groundwater.

Last week, the Wisconsin Supreme Court issued two opinions in which it held that pollution exclusions barred coverage for third-party claims resulting from alleged contamination of water...

Last week, the 9th Circuit Court of Appeals issued a decision that arguably explains everything from why the Tea Party exists to why otherwise calm and sane executives suddenly lose all their hair.

California is at the forefront of adopting a more sustainable transportation system, with a strong commitment to reducing greenhouse gas emissions and improving air quality.

The European Union's extension of its emissions trading scheme, known as "EU-ETS," to the aviation sector holds significant financial implications for aircraft operators and aerospace suppliers.

Inside EPA reports that a Pacific Northwest NGO has asked the Ninth Circuit Court of Appeals to order the United States Environmental Protection Agency to act on the NGO's demand that ...

The California Air Resources Board is considering important amendments to California's cap-and-trade regulations.

On Aug. 14, 2013, the California Air Resources Board (CARB) released a draft of proposed compliance offset protocols, most notably one concerning methane emissions from mining (MMC).

This MD&A guidance language suggests that a public company grappling with making a disclosure related to climate change should default on the side of disclosure.

On June 20, 2011, the United States Supreme Court handed down its 8-0 decision in American Electric Power Co., Inc., et al. v. Connecticut, et al., No. 10-174.

On October 25, 2016, the federal district court in the Northern District of California approved the United States' Amended Consent Decree to resolve claims against German automaker Volkswagen AG and related entities.