Climate & Environment

So There's Something Arborists Say We Should Stop Doing To Trees. It's Called 'Topping'

Perhaps unsurprisingly, turns out that chopping off the top of trees to reduce their sizes is rather harmful, arborists say.

A tree without leaves and branches with blunt edges on a lawn

Thanks To A Wet Winter In 2023, California's Groundwater Levels Went Up Statewide For The First Time In 4 Years

It'll still take about five years of above-average rainfall for the state's groundwater storage to return to pre-drought levels, according to the state Department of Water Resources.

Here Is Where Our Water Comes From -- Los Angeles Reservoir at the end of the L.A. Aqueduct

Believe It Or Not, The Northern Lights Hit Southern California

Mount Wilson was a prime viewing point for the northern lights in Southern California.

Beautiful red and orange lights shooting out of a dark night

A Severe Geomagnetic Storm Could Impact California This Weekend

It's been 19 years since NOAA last issued a geomagnetic storm watch for an event this size.

Significant solor activity is visible on a a sun

A Huge Solar Storm Is Slamming Into The Earth. Scientists Say You Should Look Up

The National Oceanic and Atmospheric Administration says there have been measurable effects and impacts from the biggest geomagnetic storm in decades.

Your SoCal Weather Report For Friday, May 10: Sunny Following Morning Low Clouds

A quiet weather pattern will continue through next week.

A geothermal map of SoCal in shades of orange, yellow and green with white numbers over different cities.

Forecasters Predict A La Niña Summer And Winter, Which Could Bring Drier And Cooler Conditions To Southern California

Experts say there's a 69% possibility that La Niña conditions could develop in July through September.

An image of a world globe centered in the Americas, with temperature descriptions through U.S. regions of drier, wetter, colder and warmer conditions.

What To Do If You Come Across Deer With A Deadly Brain Disease Recently Confirmed In California

California wildlife officials announced Tuesday that they've detected two cases of chronic wasting disease in dead deer found in the Sierra National Forest.