El Dorado County Environment Digest

The California Department of Water Resources released an environmental impact report for a tunnel that the state would like to build through the Sacramento-San Joaquin River Delta. The report identifies potential impacts to farmland, tribal remains and endangered species of fish.

Conservationists intend to shoot all of the deer on Santa Catalina Island by helicopter. Some people are opposed, either for not wanting to eliminate the deer or for missing out on future chances to hunt them.

Staff at the state’s air regulatory agency have been restricted from communicating with Jim Duffy, a scientist who retired from the agency in 2022. Duffy had criticized gas lobbyists and an agency director.

California energy regulators are considering requiring homeowners to replace broken air-conditioning systems with heat pumps or HVAC systems that are more energy efficient. The change would go into effect in 2026.

Private company Brightline secured a $3 billion grant through the U.S. Department of Transportation toward a 218-mile high-speed rail line from Rancho Cucamonga to Las Vegas. The line would allow people to make the trip to Sin City in a little over two hours.

An Alameda County judge ruled on Nov. 22 that the city of Oakland thwarted a proposed coal export terminal. The judge will rule if the developer who sued is entitled to $159 million in damages or moving forward with the project.

A new study by Lawrence Berkeley National Laboratory has found that approximately 3,400 kilotons of lithium are located below Imperial County in Southern California. This could produce more than $7 billion in lithium carbonate annually, helping power significant numbers of electric vehicles.

The world is heating up at an unprecedented pace, new climate data shows, and leaders gathered for the COP28 conference in Dubai must get us out of “deep trouble,” UN chief António Guterres said.

Two miles of public beach were closed in Laguna Beach following a spill of 94,500 gallons of sewage. Orange County is testing water to determine when the beach will be safe to reopen.

An analysis by the U.S. Department of Energy found that with expected technology advances, the Salton Sea region’s total lithium resources could produce more than 3,400 kilotons of lithium, enough to support over 375 million batteries for electric vehicles—more than the total number currently on U.S. roads.

A 2021 fire has helped bring wolves back to Southern California for the first time since the 19th century. A rancher is worried about how to keep wolves, which are federally protected, from harming cattle.

A shrubby Palmer oak tree in Riverside County is around 13,000 years old, making it California’s oldest tree and one of the longest-lived organisms on earth. Some people are concerned that a proposed development could threaten the tree.

A UCLA climate scientist says California’s redwoods might not last in their current groves for another 100 years. An effort is afoot to plant redwoods elsewhere in more potentially hospitable climates, such as the Pacific Northwest.

A team of UC Davis researchers found that birds nesting near farmland were half as likely to have at least one fledgling successfully leave the nest when temperatures spiked. However, forests seemed to provide a protective buffer against high temperatures.

Forecasters have struggled to understand why tropical storms sometimes blow up into major hurricanes. Scientists have shed some light on this forecasting challenge.

Wet weather and planned cuts by California, Arizona and Nevada averted declines that could have threatened water deliveries and power production—but long-term threats to the Colorado River remain.

California cities can ban synthetic turf under a law Gov. Gavin Newsom signed. He rejected a bill to ban PFAS in fake lawns.

Massive ocean wind farms off Morro Bay and Santa Barbara County—which could transform these quiet coastal towns and affect marine life—face a turbulent path.

Gov. Newsom vetoed bills to outlaw caste discrimination and to consider gender affirmation in child custody cases. Advocates wonder if he’s thinking about his national political profile.

Hundreds of wells in Tulare Lake aquifer are at risk of going dry. Today's recommendation is the first time that state officials have moved to crack down on local plans that fail to stop excessive groundwater pumping.

The facts of climate change can lead to feelings of hopelessness and despair. Some California activists are creating communities for people to talk about those feelings.

The CPUC is considering a rule that would gut the payments that solar panels on apartment buildings receive, and many housing groups are blazing mad about it.

A long-awaited, controversial report weighs updates to standards that state officials say have failed to protect fish and wildlife. But environmentalists, Native tribes and others already are furious about how long this has taken—and the state is years away from taking action.

Outbreaks have wreaked havoc on the state’s river ecosystems for years. But this year was different. Faster, colder river waters led to fewer outbreaks of the harmful algae.

In an annual, statewide effort to clean up local waterways, the American River Conservancy is partnering with the Sierra Nevada Alliance and the Coastal Cleanup Commission to participate in the Great Sierra River Cleanup.

Joined by California Gov. Gavin Newsom, California Attorney General Rob Bonta announced the filing of a lawsuit against five of the largest oil and gas companies in the world — Exxon Mobil, Shell, Chevron, ConocoPhillips and BP — and the American Petroleum Institute (API) for allegedly engaging in a decades-long campaign of deception and creating statewide climate change-related harms in California.

An international team found that the amount of near-surface permafrost could drop by 93% compared to the preindustrial period of 1850 to 1900. Permafrost may exist only in the eastern Siberian uplands, Canadian High Arctic Archipelago and northernmost Greenland—as it did in the mid-Pliocene Warm Period.

The irrigation bill, which aims to force businesses and institutions to remove their lawns, now goes to the governor.

Hydrogen fueling stations will get 15 percent of funds in a state program — even though Californians own only about 12,000 hydrogen cars. The funds come from fees paid by drivers.

There’s an official state bird, mineral, tree, fish, insect, lichen, fabric, sport, dance, soil and even dinosaur.

About 5,300 companies would file annual emissions reports. The aim is to hold corporations accountable for the role they play in climate change.

California wildfires every year emit as much carbon as almost 2 million cars, posing a threat to efforts to battle climate change.