On December 9, 2025, CARB released draft regulations to implement SB 261 and SB 253, and announced that the draft regulations may be...

At its Public Workshop held on August 21, 2025, CARB provided a proposed schedule for rulemaking and initial reporting under SB 253 and...

Our “CEQA Decoded” series program for Bay Area professionals, addressed key aspects of air quality impact analysis under CEQA, and...

Download a PDF of this piece The Donald Trump Administration has proposed to revoke California’s long-standing authority to set its own...

On June 19th, 2008, the Governor's Office of Planning and Research (OPR) released its Technical Advisory on the California Environmental...

Plan to Implement State's Landmark Law AB 32 Yesterday, the staff of the California Air Resources Board ("CARB") released a much...

Senate Bill 97 directed in 2007 that the California Environmental Quality Act (CEQA) Guidelines be amended by January 1, 2010 to address...

On Tuesday, December 2, 2008 the Office of Administrative Law approved California's Greenhouse Gas (GHG) Mandatory Reporting Regulations,...

On January 8, 2009 the Governor’s Office of Planning and Research (OPR) released their preliminary draft regulatory guidance on the...

On Tuesday, March 10, 2009 the U.S. EPA released a long-awaited proposed rule mandating reporting of Greenhouse Gas (GHG) emissions from...

On Monday April 13, 2009 the Governor’s Office of Planning and Research (“OPR”) released its proposed amendments to the California...

In a widely expected move, on Friday, April 17th the Environmental Protection Agency ("EPA") issued a proposed determination that...

On April 23, 2009, the California Air Resources Board ("ARB") adopted the Low Carbon Fuel Standard ("LCFS"), the first standard in the...

Even before California committed to reducing greenhouse gas emissions, and long before the federal government will do so, many cities and...

The California Natural Resources Agency ("Agency")  has begun the formal rulemaking process for amending the California Environmental...

UN conference on climate change (COP15) in Copenhagen in December and meetings leading up to it are the key current drivers for...