air pollution

ChatGPT generated this panoramic image to illustrate South Korea’s electrification drive—electric buses and cars powered by renewables replacing fossil-fueled transport.

915 Electric Buses Ordered For Use In India

India has some of the most polluted cities in the world. That air pollution harms human health. It also contributes to many premature human deaths each year. While most of us don’t work in public health and have never heard of the term environmental health, there is plenty of evidence … [continued]

"Computer Data Hacker" by Visual Content is licensed under CC BY 2.0.

California Lawmakers Urge Attorney General to Investigate AI Astroturf Campaign Targeting Clean Air Rules

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]

"World Class Traffic Jam 2" by joiseyshowaa is licensed under CC BY-SA 2.0.

The Effects Of Congestion Pricing — Pollution Reduction And So Much More

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]

Toxic Coal Pollution Spikes to 25-Year High Under Trump

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]

The Particulars of PM 2.5

Why particulate matter … matters. PM 2.5 (n.): Air pollution consisting of particles less than 2.5 microns across A year after New York put its congestion pricing program into place, requiring vehicles to pay a fee to enter the central business district of Manhattan, city dwellers noticed changes. The sounds of car honking had … [continued]

Photo by Kyle Field | CleanTechnica.

Adoption of Electric Vehicles Tied to Real-World Reductions in Air Pollution, Study Finds

Using satellite data, Keck School of Medicine of USC researchers reported the first statistically significant decrease in nitrogen dioxide linked to zero-emissions vehicles. When California neighborhoods increased their number of zero-emissions vehicles (ZEV) between 2019 and 2023, they also experienced a reduction in air pollution. For every 200 vehicles added, … [continued]

Trump Administration Proposes Transportation Rule that Would Force Americans to Pay More at Pump

In Addition to Rising Costs, Less Fuel-Efficient Vehicles Also Increase Air Pollution & Worsen Public Health WASHINGTON, D.C. — Today, the Trump administration proposed a rule that would roll back federal Corporate Average Fuel Economy (CAFE) standards, commonly known as fuel economy standards. Transportation is the second largest household expenditure behind housing for American … [continued]