KQED Science

The Sacramento-San Joaquin Delta, a pivotal region for state water supply, sits below sea level and behind aging levees. Ahead of potential flooding from “Super El Niño” conditions, residents are worried, but prepared.

Bayview residents want San Francisco’s next District 10 supervisor to keep pressure on the Hunters Point cleanup.

Electric kitchen conversions are expensive, but as California weans itself off fossil fuels, these chefs say it’s good for food quality, climate and health.

Legislation to make it easy for Californians to install plug-in solar panels is headed to Gov. Gavin Newsom’s desk.

El Niño conditions temporarily layer tomorrow’s Bay Area sea levels onto today’s and offer a glimpse of a wetter future.

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.

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

UCSF scientists discovered that a protein found in bullfrogs protected mice from one of the world's deadliest natural poisons, which can accumulate in fish during harmful algae blooms.

Bay Area renters are getting creative about swapping their gas appliances for electric ones, like heat pumps, solar panels and induction stoves.

Sexual freedom is booming in San Francisco with the city’s broad offering of Doxy PEP. But doctors worry this approach may risk making these drugs less effective in the future.

Pacifica surfers hope that an artificial reef could slow waves, widen beaches, fight erosion and create an epic surf spot.

A new Stanford University study finds that annual prescribed burning could substantially reduce smoke pollution during California’s worst wildfire years.

Friendship apps and curated dinners are helping people connect in a lonely moment. But they can only open the door. The effort and the follow-up are still on us.

A new study found that a warm Bay Area winter may have pushed honey bees to swarm weeks earlier than usual.

State leaders negotiated an agreement with Valero this year to use its idled Benicia facility to store and transport imported fuel, which brings little economic activity while freezing redevelopment plans.

In parts of the Bay Area and Central Coast, some practitioners are increasing home visits, and even meeting clients in their cars, to ease fears of a run-in with ICE.

The statewide expansion of a voluntary speed reduction program aims to prevent dangerous ship strikes — and also cut the amount of marine shipping pollution that drifts ashore.

California now requires folic acid in corn masa flour — a staple in many Latino households — in an effort to close a long-standing public health gap.

KQED’s new series "Flipping the Switch" will explore the costs, challenges and potential fixes as the most populous U.S. state attempts to ditch planet-warming pollution.