July on track to be Earth's hottest month on record

Another month of record-breaking heat has brought the world into uncharted territory, scientists say.

Toxic 'coke dust' released from Martinez Refining Company

Coke dust, a petroleum refining byproduct, was released Saturday evening from the Martinez Refining Company's facility, the Bay Area Air Quality Management District announced. 

Falling tree injures 6 people at Santa Rosa park

A falling tree in Spring Lake Park in Santa Rosa left six people injured Saturday morning.

Health department says Martinez refinery delayed notification of 'coke dust' release by nearly two hours

Health officials said there was a nearly two-hour delay from when the refinery first noticed the release of the material at 8:30 a.m. and when they notified the health department through a community warning system at 10:20 a.m.

Leonardo DiCaprio to fund scholarships, climate education at his former LA elementary school

Leonardo DiCaprio will fund scholarships and a climate education program at the UCLA-based elementary school where he was once himself a scholarship student, the actor and the college said Tuesday.

Climate change ratchets up the stress on farmworkers on the front lines of a warming Earth

As Earth this week set and then repeatedly broke unofficial records for average global heat, it served as a reminder of a danger that climate change is making steadily worse for farmworkers and others who labor outside.

California Air Resources Board makes uncommon concession to diesel truck manufacturers

In an almost unheard of move, the California Air Resources Board decided to compromise with diesel truck manufacturers and trucking associations that were suing the state over regulations they say were unobtainable in the time allowed.

Drinking water from nearly half of US faucets contains PFAS, study says

PFAS chemicals have been linked in animal studies to some cancers, including kidney and testicular, plus issues such as high blood pressure and low birth weight.

Earth sees hottest day on record for third straight day

The daily highs are an indication that climate change is reaching uncharted territory, scientists say.

Yellowstone River bridge collapses, freight train falls into waters below

Numerous tank cars were partially submerged in the river early Saturday, with an Associated Press reporter witnessing a yellow liquid pouring out of tank cars.

Las Vegas financier who turned down Titan sub dive shares texts from late CEO

A wealthy real estate developer from Las Vegas revealed that he turned down an invitation for him and his son to tour the Titanic wreckage on board the ill-fated OceanGate submersible.

Titan sub's fatal implosion likely heard on US Navy's secret acoustic system, official says

A U.S. Navy acoustic system detected an "anomaly" on Sunday that was likely the fatal implosion of a private submersible vehicle carrying five people to tour the wreckage of the Titanic, according to a senior military official. 

Titanic shipwreck: A look at notable people, companies who have made the expedition

The famous RMS Titanic sank in 1912, but the wreckage wasn’t discovered until nearly 75 years later. Since then, experts say fewer than 250 people in the world have personally viewed the Titanic site.

How deep is the Titanic? And other things to know as sub search continues

The ocean is a vast, mysterious place, with only 20% believed to be mapped and explored. Here’s a look at some significant points in the ocean.

Missing Titanic sub has 'very limited' options for rescue, experts say

Nine hundred miles east of Cape Cod, and 12,500 feet down, lie the remains of the Titanic shipwreck. It has become a high-end tourist attraction and the destination of a private submersible vehicle with five people onboard, which is now missing with a limited supply of oxygen.