Air Quality

ChatGPT generated an illustration contrasting private risk for renewables with public financial backing for hydrocarbons in Alberta’s energy policy

Alberta’s $900 Million Bet: How the Province Chose Fossil Risk Over Clean Energy Markets

Alberta’s January 2026 Order in Council authorizing expanded powers and funding for the province’s petroleum marketing agency shouldn’t exist, and if it had, it should have been a bill. Authorizing up to $900 million across borrowing, advances or investments by the Minister of Finance and provincial debt with broad powers … [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]

Environmental, Consumer Groups Challenge Trump’s Unlawful Coal Plant Extensions

Washington, D.C. — Today, seven environmental and consumer advocacy groups filed rehearing requests after Donald Trump’s Department of Energy unlawfully invoked Section 202(c) of the Federal Power Act and forced two coal power plants in Indiana to stay online after their planned retirements. The seven groups include Sierra Club, Environmental Law and … [continued]