22 state and local officials ask for probe into flood of more than 20,000 AI-generated comments. OAKLAND — Twenty-two California state and local elected officials are calling on Attorney General Rob Bonta and four district attorneys to open a formal investigation into two alleged AI astroturf campaigns that flooded air quality … [continued]
Lawsuit challenges weak protections from smog and EPA’s refusal to factor public health in future decision making. Washington, D.C. — Today, the Sierra Club and its environmental group allies took the Trump administration to federal court, suing the Environmental Protection Agency over its woefully inadequate Clean Air Act standards for … [continued]
New York City introduced congestion pricing in January 2025. The original goal, set in 2020 through a Cornell-City College of New York collaboration, calculated a range of different toll prices and aligned each pricing pricing level with anticipated congestion reductions, environmental gains, and health benefits. How well has the City … [continued]
Ozone destroys colony-specific odor signals and leads to attacks within the colony To the Point Attack: Ants exposed to ozone are attacked by their nestmates, even though they are part of the colony themselves. Different smell: Ozone destroys colony-specific scent signals by breaking down alkenes with carbon-carbon double bonds. Even slight changes … [continued]
Washington, D.C. — Pollution from coal-fired power plants has reached a quarter-century high under the Trump administration. This massive spike comes as the Trump administration touts rollbacks of bedrock public health safeguards, exemptions for polluting coal plants from emission standards, and handouts to coal plants across the country. Last month, Donald Trump was crowned the “undisputed champion of … [continued]
A “golden age” is a flourishing period in the history of a nation. It is a period when everything seems really good, peaceful, and successful — not utopian, but a time of extraordinary human achievement. A golden age of agriculture commonly refers to the late 19th century, a time of … [continued]
As I was reading through the Sierra Club’s response to Donald Trump’s State of the Union address last night, one line really jumped out at me, that the US Environmental Protection Agency (EPA) under Donald Trump has “set the value of a human life to zero when conducting cost-benefit analyses.” … [continued]
Washington, D.C. — Today, Donald Trump’s Environmental Protection Agency dismantled a bedrock environmental and public health standard that protects Americans from mercury and other dangerous toxic air pollutants, such as arsenic, lead, and chromium. Rolling back the new and more protective Mercury and Air Toxics Standards will allow coal- and oil-fired power … [continued]
COLUMBIA, S.C. — The Sierra Club appealed the EPA’s approval of South Carolina’s do-nothing plan to reduce air pollution at our country’s most wild and scenic national parks and wilderness areas. The Congressionally-approved Regional Haze program of the Clean Air Act is intended to reduce air pollution, including from coal … [continued]
Today, the Trump administration announced a plan to limit the authority of states and tribes to protect clean water from pollution resulting from pipelines and other major infrastructure projects during the permitting process. The proposed changes to rules interpreting Section 401 of the Clean Water Act would make it more difficult for … [continued]
