In Chicago, city data shows fewer than 4% of the more than 30,000 drivers removed from rideshare platforms were reinstated.

The sterile insect technique shows promising results in reducing mosquito population, but someone has to pay for it. You’re not imagining things — there are more mosquitoes in LA. And they’re more ann...

Soil and water around military bases show elevated levels of Pfas pollution due to chemicals used in firefighting foam

Scientists are finding that snowfall is more connected to water underground than we knew. Using satellite data, they found groundwater levels actually rise during big snow years, in contrast to most y...

A new proposal is the latest effort to address LA's notorious deputy gang problem.

Newsom’s 8-year term as California’s governor is drawing to an end. Here’s how he helped — and hindered — the state’s energy transition.

The potent neurotoxin’s prevalence in LA County soils hasn’t been comprehensively mapped. We’re giving it a shot.

The Trump administration is rolling back the majority of Biden-era limits on greenhouse gas emissions in an effort to remove “red tape” that drives up energy costs, agency officials said.

Metal recycling hubs, battery recycling plants and airports all help make lead contamination a stubborn LA County problem.

Three separate Atlas explosions and cancer risks the LA County DA’s office calls 48-times above health standards threaten the Watts school.

Gustavo Arellano's speech upon winning Capital & Main's Exposés Award

The Environmental Protection Agency is finalizing a rule that’ll drastically weaken restrictions on “stripper wells,” which tend to be old, poorly maintained and prone to leaking methane, the highly p...

The 23ft-long trackway, consisting of four three-toed footprints, two left and two right, date from 66.5m years ago The first known series of footprints from an adult Tyrannosaurus rex has been found in North Dakota by a team of scientists. The 23ft-long trackway – consisting of four three-toed footprints, two left and two right – was first identified in the south-west of the state, in the dinosaur fossil area known as Hell Creek Formation, last year by researchers from the Denver Museum of Nature and Science in Colorado and Liverpool John Moores University in the UK. Continue reading...

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Leaked internal memos reveal how a packaging alliance drove a widespread lobbying and marketing campaign to dismantle California’s landmark plastic and recycling laws.

Thousands of children may be exposed to lead levels high enough to cause IQ loss without their parents knowing, as health experts call the testing rates “alarmingly low.”

Thousands of children may be exposed to lead levels high enough to cause IQ loss without their parents knowing, as health experts call the testing rates “alarmingly low.”

UCLA-led workshop with more than 50 experts identifies communications, research…

Three separate Atlas explosions and cancer risks the LA County DA’s office calls 48-times above health standards threaten the Watts school.

Three separate Atlas explosions and cancer risks the LA County DA’s office calls 48-times above health standards threaten the Watts school.