Press Releases

November 29, 2023

Dover, DE – Delaware has joined eleven other states that have adopted the Advanced Clean Cars II (ACC II) rule to become a leader in clean transportation. Regulators announced today that Delaware will be moving forward with the rule that sets gradual new electric vehicle (EV) sales targets reaching 82% through model year 2032. Delaware, having previously adopted state clean car standards, is for the first time adopting a zero-emission vehicle sales target. Delaware will officially be the first state to make such a leap in policy.

November 29, 2023

Phoenix, AZ – Today, in an egregious move that undermines public process and transparency, the Arizona Corporation Commission (ACC) approved a major expansion of Arizona Public Service Company’s (APS) gas-fired Sundance power plant without allowing any public comment. Several organizations, including Sierra Club, Chispa Arizona, Western Resource Advocates, Western Clean Energy Campaign, and Western Grid Group expressed concerns about the project and several requested to comment at the Commission’s Nov.

November 28, 2023

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.

November 27, 2023

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.

November 27, 2023

HELENA, MTIn 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.

November 27, 2023

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.

November 26, 2023

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.

November 22, 2023

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.

November 21, 2023

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

November 20, 2023

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.