ScienceScience

KQED readers have asked us about where their electricity comes from, how much of it is “green,” and what's powering the state's electric grid. So we found out.

Teenagers across the state would rather set down their devices and hang out in real time, but say there aren't enough affordable spaces to truly connect.

Air pollution from wildfire smoke can pose serious health risks. Here are some key steps you can take both before and during smoky days.

Breathe easy: this regularly-updated air quality map shows wildfire smoke impacts across the Bay Area.

One LA contractor found a greener, cheaper way to keep mobile home residents safe from dangerous summer heat.

Green tree ants are a dominant species in tropical forests stretching from India to northern Australia. Aggressive, industrious and highly territorial, most of their neighbors don’t want to mess with them. With a reputation like that, over millions of years multiple animals evolved to mimic them– some to stay safe, and others to kill.

The U.S. Geological Survey’s California Water Center estimates 15% of the Central Valley’s groundwater storage capacity has been permanently lost because of subsidence.