Press Releases

Public Service Commission Limits Rocky Mountain Power’s Rate Increase and Maintains Cost Sharing Mechanism for Volatile Fuel Costs

Cheyenne, WY – The Public Service Commission (PSC) orally announced today its decision on Rocky Mountain Power’s proposed rate increase. A written decision is expected to follow.

MEDIA ADVISORY: Cross-Country Veteran Listening Sessions Launch, Starting in Georgia

Sierra Club Military Outdoors is launching a listening session series in concert with an online survey to create an opportunity for veterans and active-duty servicemembers to share their needs and experiences, and to help shape future legislation that affects them.

Montana Supreme Court Rules Department of Environmental Quality Failed to Protect Water Near Rosebud Coal Mine

HELENA, MT — In an important victory for clean water, the Montana Supreme Court ruled on November 22, 2023, that the Montana Department of Environmental Quality (DEQ) repeatedly ignored the law and failed to protect water quality from an expansion of the “Area B” permit area  of the Rosebud coal strip mine near Colstrip, one of the largest coal strip mines in the nation.

New Research on Coal Pollution Deaths Underscores Urgent Need to Move Beyond Coal

Pollution from coal-fired power plants across the United States was responsible for at least 460,000 deaths over the past two decades, causing twice as many premature deaths as previously estimated, new research reveals.

A Disservice for Thanksgiving: South Carolina Public Service Commission Approves Dominion Energy Plan

Just before Thanksgiving, the South Carolina Public Service Commission (SCPSC) approved the Dominion Energy South Carolina (DESC) Integrated Resource Plan (IRP) in its entirety, only requiring that DESC “fully address” the Office of Regulatory Staff’s’ limited recommendations in its 2024 IRP update.

Sierra Club Statement on Biden Administration’s Final Rule to Reduce Transportation Pollution

WASHINGTON, DC - Today, the U.S. Department of Transportation’s Federal Highway Administration finalized a rule that will require state Departments of Transportation and Metropolitan Planning Organizations to establish performance measures for reducing greenhouse gas emissions from their transportation plans and programs.

Sierra Club Praises Gov. Shapiro for Appeal of RGGI Rule

HARRISBURG, Pa. -- Today, Governor Shapiro announced that he will be appealing a recent lower court decision that blocked the Commonwealth’s participation in the Regional Greenhouse Gas Initiative (RGGI) to the Pennsylvania Supreme Court

Time Is Running Out as the World Turns to COP

Washington, DC – In 10 days, charged with charting a path forward to avoid the worst effects of the climate crisis, global leaders will convene in Dubai for the United Nations Conference of Parties (COP) 28. At COP21, world leaders made history by agreeing to a treaty aimed at holding global average temperature well below two degrees celsius above pre-industrial levels.

Sierra Club Statement on Appeal of District Court Ruling on Willow Project

ANCHORAGE, AK — This week, Indigenous and environmental groups filed additional legal motions to block a sprawling oil and gas development on Alaska’s North Slope.

New Shopper’s Guide Helps Consumers Identify Tax Credit-Eligible Home Improvement Products

A new Sierra Club shopper’s guide aims to help consumers easily identify home improvement products that qualify for energy efficiency tax credits created by the Inflation Reduction Act (IRA). The guide compiles information from Energy Star and the IRS into a user-friendly format that details what products are eligible and lays out steps to claim the credit come tax season. Heat pumps, exterior doors and windows, solar panels, and other products that update a home's electrical systems are some of the eligible items.