Good news: Air quality in San Diego is improving, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to your health. By the numbers: The average ...

A couple hundred people marched through downtown San Diego on Monday, calling it a life-or-death situation. KPBS reporter John Carroll says they’re demanding the Trump administration take action on ...

The Flagship project will be implemented in partnership with the San Diego Air Pollution Control District (SDAPCD). The vessel design will reduce the carbon footprint of local transit options and ...