Ammonium is one of the specific components of fine particulate matter (PM 2.5 ) that has been linked to a higher risk of death compared to other chemicals found in Continue Reading
Fossil fuel combustion, a major source of air pollution, contributed to more than one million deaths globally in 2017, more than 27% of all deaths from outdoor fine particulate matter Continue Reading
The California Air Resources Board approved a measure that will require most newly manufactured small off-road engines (SORE) such as those found in leaf blowers, lawn mowers and other equipment Continue Reading
The House Science Committee has notified the chief executives of 10 major oil companies that they must disclose more data about their emissions of methane, a powerful greenhouse gas, in Continue Reading
With a sprawling empire of 39,000 restaurants in 119 countries, McDonald’s Corp. serves more beef than any other restaurant chain on the planet — between one to two percent of Continue Reading
At a playground outside a North Texas daycare center, giggling preschoolers chase each other into a playhouse. Toddlers scoot by on tricycles. A boy cries as a teacher helps him Continue Reading
By disrupting normal societal activities such as driving, COVID-19 lockdowns afforded a unique opportunity to study their impacts on the environment. Researchers now report in ACS’ Environmental Science & Technology Continue Reading
The US Tire Manufacturers Association (USTMA) will produce cryogenically milled tire tread (CMTT) and provide samples to researchers to advance scientific study on tire and road wear particles (TRWP). In Continue Reading
U.S. environmental regulators are expected to base new rules for controlling methane emissions from oil and gas operations on the nation-leading policies of a state that has been tamping down Continue Reading
The United Nations agency, the World Health Organization (WHO), issued on Wednesday its first update on air quality guidelines in 15 years, lowering the recommended limits of emissions, including those Continue Reading
