Marissa Ortega-Welch

Experts and enthusiasts discuss another year of data.

Smartphones are making the wilderness easier to access, but no longer a place to escape and unplug.

Meet a maverick fire chief in the Sierra Nevada who says California’s forests are actually not having enough fire, or, the right kind of fires.

A statewide story about L.A.’s water use, Bay Area’s trash, and a whole lot of gulls. 

Professor of Journalism Elena Conis wrote a book on the history of vaccines. She says, since we’ve had vaccinations in this country, we’ve had opposition to them. 

The hype may feel new, but Californians have been excited about wildflowers for a long time.

Biologists are trying to lure herons that have been nesting in downtown Oakland to move to Lake Merritt instead. Will it work?

Five Bay Area counties have won millions of dollars in a lead paint lawsuit, but now they say, paint companies are doing everything they can to prevent them from getting it.

If we just focus on monarchs and not all insects around us, we’re missing the big picture.

Operation pest patrol, Part III: When the country was figuring out its pest policies, it was also figuring out its immigration policies. And those two debates had some very dangerous overlap.

Operation pest patrol, Part II: An insect spreading a deadly citrus disease threatens to wipe out California’s commercial citrus industry. But environmentalists say, we’ve seen this headline before and what it really means is using a whole lot of pesticides.

Operation pest patrol, Part I: Customs and Border Protection officers board and inspect every ship that comes into our country's ports.

This is the first in a four-part award-winning series “Persistent Poison: Lead’s Toxic Legacy in the Bay Area.”

A 2017 Reuters report showed that a few Bay Area neighborhoods have some of the highest rates of childhood lead poisoning in the country.

This is the second story in our four-part award-winning series  “Persistent Poison: Lead’s Toxic Legacy in the Bay Area,” an in-depth look at childhood lead poisoning in the Bay Area.

This is part of our series  “Persistent Poison: Lead’s Toxic Legacy in the Bay Area,” an in-depth look at childhood lead poisoning in the region.

This is the third story in our four-part series  “Persistent Poison: Lead’s Toxic Legacy in the Bay Area,” an in-depth look at childhood lead poisoning in the Bay Area.

The numbers show the lead poisoning problem in the Bay Area is bad — but is what we know just the tip of the iceberg?

This is part of our series  “Persistent Poison: Lead’s Toxic Legacy in the Bay Area,” an in-depth look at childhood lead poisoning in the region.

This is the last story in our four-part series “Persistent Poison: Lead’s Toxic Legacy in the Bay Area.” 

In Alameda County, which has some of the highest lead levels in the country, an energetic public health nurse helps families after their child has been lead poisoned. But her work is a stopgap solution. What’s the answer to preventing leading poisoning before it starts?

This is the first story in our four-part award-winning series “Persistent Poison: Lead’s Toxic Legacy in the Bay Area.

A 2017 Reuters report showed that a few Bay Area neighborhoods have some of the highest rates of childhood lead poisoning in the country.

Proposition 12 has to do with the caging of farm animals.

Proposition 2 deals with funding a housing program for people who have mental health issues. Back in 2004, Californians voted in favor of something called the Mental Health Services Act. It charges a one percent income tax on people who make a million dollars or more, to fund mental health services in counties across the state.

Bears in places like Yosemite are hot on human food — because we introduced it to them in the first place. We’ve been inventing solutions to keep them out of our food ever since.

Since 2013, KALW News producers have been going into San Quentin State Prison to train incarcerated men to be radio reporters. We air the stories they produce there as San Quentin Radio.

San Francisco’s Proposition E proposes to ban the sale of flavored tobacco products throughout San Francisco.

The Board of Supervisors already voted for this ban last year. But tobacco companies didn’t like that decision. So they gathered enough signatures to put the decision in the hands of the voters instead.

This is part of our series  “Persistent Poison: Lead’s Toxic Legacy in the Bay Area,” an in-depth look at childhood lead poisoning in the region.

Most of us don’t even think about the health effects of cannabis secondhand smoke — partly because there’s very little research being done on it.