Claim: Antarctic region once as hot as California, Florida

Parts of ancient Antarctica were as warm as today's California coast, and polar regions of the southern Pacific Ocean registered 21st-century Florida heat, according to scientists using a new way to measure past temperatures.

Solar goes FTW in North Carolina

Who’s the rising star in U.S. solar? It’s North Carolina. The state isn’t quite challenging California as the U.S. leader for solar development – the hugely populous, sun-splashed Golden State is most likely a permanent fixture at No. 1. But North Carolina appears to be nosing past the likes of Arizona, New Jersey, Nevada and Massachusetts to claim the No. 2 spot.

Geothermal power moves from state to state

That renewable energy “first” that way back in April we said was on its way? It’s here. Power from a geothermal plant in northern Nevada is flowing to Southern California.

Why Is California Limiting Your Solar Roof Space?

New solar panel restrictions will limit your roof-space options in California.

California gets serious about hydrogen stations

California wants fuel cell vehicles to be part of its ambitious plan to reduce greenhouse gas emissions in the state by 80 percent from 1990 levels by 2050. But right now, across the whole state, there are just nine publicly available hydrogen fueling stations. Clearly this is a problem.

Giant California solar tower lights up

Ivanpah, the giant “power tower” concentrating solar project backed by government loans and Google, among others, is apparently ready to rock ’n’ roll.

California EV drivers eye extended range

Californians like their electric vehicles, but a significant minority do wish their cars could go farther without having to be plugged in. That was the conclusion by the California Center for Sustainable Energy (CCSE), which did a study as part of the Clean Vehicle Rebate Project.

Copyright trolls rock and roll in Georgia

If you want to know the standard of legal arguments among the copyright patent trolls, you need look no further than the Prenda case in Georgia.

Foxconn will make Google Glasses

Google has decided that Foxconn will get the contract for its internet eyeware, Project Glass.

Obama approves giant solar, wind projects in desert

Big solar was the biggest driver in the record-breaking U.S. solar gains made last year, with utility-scale plants accounting for more than half – 1,752 megawatts – of the 3,313 MW of newly installed capacity.

This modular Californian house beats the heat

As people continue to flock to the desert Southwest, designers have looked everywhere for ways to adapt the archetypal single-family home to the extremes of the arid climate.

Amtrak eyes high-speed rail options

High speed rail development here in the United States, particularly California, continues to limp along.

California sues Delta for privacy violations

California's attorney general has filed a lawsuit against Delta Airlines, accusing it of failing to display the required privacy policy in its mobile app.

App developers warned over privacy violations

California's attorney general has issued a warning to mobile app developers that haven't yet posted privacy policies.

California array is Navy’s new top solar gun

The Navy has a new 13.78 megawatt solar power plant in the high desert of California — the service’s biggest solar project yet — and it didn’t even have to pay for it.

Large quakes can trigger others around the globe

Very large earthquakes like last April's Sumatra quake can set off others around the world for at least a week, including one as far away as Baja California.

Driverless car bill passed in California

California's governor Jerry Brown says that today's science fiction is tomorrow's reality.

Fuel cell vehicles need more infrastructure

If hydrogen fuel cell cars are to become an actual reality on the roads of the United States, one of the places they are most likely to first take off in is California.

California to license self-driving cars

Californian senators have passed a bill that looks set to make the state the second in the US to approve self-driving cars on its roads.

Steve Jobs's house was burglarized

Sometimes there are crimes that you just can't get away with.