Smoke from Canadian wildfires prompted a special air‑quality statement for Toronto and warnings nationwide, urging residents to limit outdoor time amid poor air and hazy skies.

Most of the province remains under air quality statements due to wildfire smoke from northern Ontario and the Prairies.

Wildfire smoke from the Prairies prompted special air quality statements and warnings across the country Saturday.

Texas set a record for solar power and battery use, proving the electric grid can and does rely on renewable energy.

Integrating Raman spectroscopy into "green" ammonia production brings a significant advancement to product quality and ...