climate-change

April 16, 2026

Washington, DC - Sixteen health and environmental groups have filed a petition with the U.S. Environmental Protection Agency outlining severe flaws in its rule to repeal the Endangerment Finding and motor vehicle climate pollution standards and describing how the Clean Air Act requires the agency to reconsider that damaging action. 

April 3, 2026

Washington, DC – Today, Donald Trump released his proposed budget for fiscal year 2027, which seeks to increase defense spending to a massive $1.5 trillion while slashing non-defense discretionary spending by more than $73 billion, including a 52 percent cut in funding for the Environmental Protecti

February 24, 2026

Washington, DC – Tonight, as costs for American families continue to soar and environmental and public health protections are weakened by his administration, Donald Trump delivered the first official State of the Union address of his second term.

In response, Sierra Club Executive Director Loren Blackford released the following statement:

February 18, 2026

Washington, DC – A broad coalition of health and environmental groups sued the Environmental Protection Agency today over its illegal determination that it is not responsible for protecting us from climate pollution and its elimination of rules to cut the tailpipe pollution fueling the climate crisis and harming people’s health.

February 12, 2026

HELENA, Mont. – Today the Environmental Protection Agency (EPA) finalized a rule revoking the regulatory basis for greenhouse gas pollution under the Clean Air Act. The decision flies in the face of legal history and overwhelming scientific evidence establishing that the nation faces extraordinary threats from sources of pollution like power plants, vehicles, fossil fuel development, agriculture and more, which drive global warming. 

February 12, 2026

Washington, DC – Today, in a brazen assault on the health and welfare of the American public, the Trump administration announced its rule revoking the Environmental Protection Agency’s longstanding greenhouse gas endangerment finding under the federal Clean Air Act. With the stroke of a pen at a White House, Donald Trump and EPA Administrator Lee Zeldin have formalized climate denialism as official government policy and moved to eliminate EPA’s ability to directly fight the climate crisis. 

February 12, 2026

DENVER – Today the Environmental Protection Agency (EPA) finalized a rule revoking the basis for regulating greenhouse gas pollution under the Clean Air Act. The decision flies in the face of legal history and overwhelming scientific evidence establishing that the nation faces extraordinary threats from sources of pollution like power plants, vehicles, fossil fuel development, agriculture and more, which drive global warming. 

February 10, 2026

Washington, DC – Today, in a brazen assault on the health and welfare of the American public, the Trump administration announced that it will finalize its rule revoking the Environmental Protection Agency’s longstanding greenhouse gas endangerment finding under the federal Clean Air Act. With the stroke of a pen at a White House event this Thursday, EPA Administrator Lee Zeldin will formalize climate denialism as official government policy and move to eliminate EPA’s ability to directly fight the climate crisis.

August 4, 2025

Washington, DC – This morning, Energy Secretary and former fracking executive Chris Wright posted on X that claims that climate change is making weather more dangerous and severe are “just nonsense.” 

July 23, 2025

Washington, D.C. – On the same day that the Department of Energy cancelled a loan for a shovel-ready transmission project that would improve grid reliability and national security, the Trump Administration released its latest Executive Order

April 21, 2025

Washington, DC – Today, the Vatican announced that Pope Francis has died at the age of 88. Francis, who led the Catholic Church for 12 years, was an outspoken advocate for addressing climate change.

April 14, 2025

Washington, DC – Today, the Sierra Club and a group of environmental and science organizations, represented by Sierra Club’s Environmental Law Program and Public Citizen Litigation Group, filed a federal lawsuit challenging the Trump administration’s removal of public information from climate and environmental justice federal agency websites.