An extremely warm and very moist airmass over California to start the week; record low Sierra snowpack persists.

It is indisputable that climate change is being fueled by greenhouse gases, but what is less clear is where the tipping points may reside—breaking points where slowly building changes push parts of ...

Boston College’s Global Observatory on Planetary Health is first to reveal town-by-town pollution levels and health impacts, including 2,780 deaths in 2019 Air pollution remains a silent killer in ...