PM NAAQS: Already behind schedule is perhaps the mostly widely impactful rule change EPA has proposed in many years: a lowering of the national ambient air quality standard (NAAQS) for fine particulate matter (PM2.5). EPA has...more
1/9/2024
/ Air Pollution ,
Chevron Deference ,
Clean Energy ,
Clean Power Plan ,
Climate Change ,
Environmental Policies ,
Environmental Protection Agency (EPA) ,
Final Rules ,
Greenhouse Gas Emissions ,
MATS ,
Methane ,
NAAQS ,
Ozone
Need a refresher on key developments in 2022 to prepare you for what’s next in 2023? Here’s a rundown of some high-profile happenings, along with some you might have missed....more
Much ado is being made of recent amendments to the Clean Air Act (CAA) contained in the Biden administration’s budget reconciliation law passed in mid-August, commonly referred to as the Inflation Reduction Act (IRA). And...more
In the world of air quality and climate change, summer 2022 began with a bang, as the Supreme Court finally spoke on the merits of EPA’s efforts to regulate carbon dioxide emissions from power plants under Section 111 of the...more
On the last day of what was already an historic term, the Supreme Court issued another significant decision impacting EPA’s authority under the Clean Air Act to regulate greenhouse gas emissions and address climate change. As...more
The Securities and Exchange Commission (SEC or Commission) published proposed rules on March 21 that, for the first time, would codify the Commission’s expectations regarding what kinds of climate-related disclosures public...more
The Clean Air Act (CAA) depends heavily on regulations adopted by the Environmental Protection Agency (EPA) to implement its broad and often ambiguous terms. However, proposed regulations extending EPA’s authority to new...more