| Jul 30, 2013
John Wesley Powell, whose legendary descent of the Colorado River in 1869 brought the one-armed explorer fame and celebrity, worried about America's westward migration. The defining characteristic of Western lands was their aridity, he wrote, and...
| Aug 10, 2013
| 2:00 PM
Five juvenile burrowing owls flapped across a salt marsh at the Seal Beach Naval Weapons Station on a recent weekday, matching the loops and curves of dragonflies and moths before snatching their prey midair.
Soon, the owls will be feasting on larger...
| Aug 5, 2013
| 6:53 PM
The benefits of reconfiguring the way California exports water from the Sacramento-San Joaquin delta would substantially outweigh the costs, according to a study released Monday by the state.
“This plan makes economic sense. The numbers more than...
| Aug 1, 2013
| 2:34 PM
Hydroelectric dams may be known as a relatively clean and low-cost energy source, but a new study says that the sediment trapped behind them makes them hot spots for greenhouse gas emissions.
A team of European scientists found that methane, which is...
| Sep 1, 2013
In recent decades, the Central Coast of California has become one of the state's most important wine-producing regions. But at what cost?
Until recently, most ranchers and farmers in this part of California embraced dry farming practices, raising...
| Jul 29, 2013
| 8:11 PM
The South Coast Air Quality Management District issued a violation notice to a waste water treatment plant in Santa Fe Springs on Monday after receiving more than 100 foul odor complaints from residents and businesses.
Air quality inspectors traced...
| Jul 5, 2013
| 5:00 AM
There is a history of alarmism over the prospect of tapping the groundwater of the San Fernando Valley for use by Los Angeles residents. "Toilet to tap" was the hysterical slogan used to denounce — and defeat — plans for reclaiming treated...
| Jul 7, 2013
| 5:00 AM
Last year, Gov. Jerry Brown signed legislation declaring that "every human being has the right to safe, clean, affordable and accessible water adequate for human consumption, cooking and sanitary purposes." It was a bold assertion and suggested the state'...
| May 14, 2013
| 1:16 PM
A warming climate is melting the glaciers of Mount Everest, shrinking the frozen cloak of Earth’s highest peak by 13% in the last 50 years, researchers have found.
Rocks and natural debris previously covered by snow are appearing now as the snow...
| Feb 21, 2013
| 5:04 PM
No traces of disease-causing bacteria were found in the water supply of a downtown L.A. hotel where authorities discovered the body of a Canadian tourist inside a rooftop water tank this week, health officials said Thursday. A do-not-drink order...
| Mar 14, 2013
| 4:22 PM
One of two people who were trapped in a 15-foot trench in Pacific Palisades has died, authorities said. The second worker in the construction project incident was rescued, an effort that lasted more than an hour after firefighters arrived on......