Twelve years ago, Cal/OSHA passed a rule aimed at preparing hundreds of thousands of Californians from airborne disease. Why didn't it protect more people?

Federal wildlife officials say that monarch butterflies qualify to be protected as an endangered species but won't be receiving that protection for now.

From a public health perspective, pasting a proverbial big X over something is frequently a losing bet. The solution: harm reduction, or allowing risky behavior provided that rules are imposed to lessen the chances of injury or illness.

From rare magnolias to towering palm trees, the San Francisco Botanical Garden is a haven for plants threatened by climate change and deforestation around the globe.

People who have avoidant/restrictive food intake disorder are not just finicky about their food. Their phobias can lead to serious nutritional deficiencies.

Fire agencies and emergency managers are now planning how they'll fight wildfires, issue evacuation orders, set up shelters and handle power shutoffs in the face of the massive challenge of coping with a highly infectious disease.

Experts are telling us that staying home is the one way to 'flatten the curve' of the number of cases of COVID-19. But when will we know if this massive change to our daily lives is having enough of an impact?

The circles of potential exposures to the coronavirus can expand rapidly. In Solano County, the health department has had to follow up with over 400 people based on a single infection, says the county's health officer.

Stanford researchers suggest modern life has changed our internal thermostat.

A science communication researcher who is studying why some people think the Earth's surface is literally flat clues us in on who is buying this extremely wrong concept and how it has spread.

Family dynamics coupled with pumpkin pie can be extremely painful for people with eating issues.

California farmers are receiving millions of dollars to pull carbon out of the atmosphere, making the state home to some of the first official 'carbon farmers' in the country.

On November 6, Californians will weigh in on whether they want to continue changing their clocks twice a year. Proposition 7 on the statewide ballot would lay the groundwork for year-round Daylight Saving Time in the state. Lots of people hate switching between Standard and Daylight time, especially in March when we "spring forward" and lose an hour of sleep. Studies show this chronological hiccup is linked to increased rates of heart attacks, strokes and traffic accidents. This is due to the disruption in our daily biological cycles, known as circadian rhythms.

But scientists still insist that it's not too late to save ourselves from the most menacing impacts of global warming. What can another "summit" contribute?

Worsening wildfires linked to climate change and forest management policies are causing unprecedented smoke pollution across the West and beyond, creating public health risks and undermining decades of air quality gains.

Every big fire has a meteorologist whose job is to help figure out what the fire might do next. So it helps if that meteorologist has a smoke-chaser.

It's a little-known oddity about the changing climate: overnight low temperatures are rising faster than daytime highs. That's not good news for the fire season.