�ٺ��Ƶ Science and Climate News

Mountain Lions Coexist with Outdoor Recreationists by Taking the Night Shift

Katherine E Kerlin — November 15, 2024

Mountain lions in greater Los Angeles are proactively shifting their activity to avoid interacting with cyclists, hikers, joggers and other recreationists, finds a �ٺ��Ƶ study.

In Greening Arctic, Caribou and Muskoxen Play Key Role

Katherine E Kerlin — November 12, 2024

A �ٺ��Ƶ study highlights the importance of caribou and muskoxen to the greening Arctic tundra, linking grazing with plant phenology and abundance in the Arctic tundra.

Assessing the Real Climate Costs of Manufacturing

Andy Fell — October 24, 2024

Producing materials such as steel, plastics and cement in the United States alone inflicts $79 billion a year in climate-related damage around the world, according to a new study by engineers and economists at the University of California, Davis. Accounting for these costs in market prices could encourage progress toward climate-friendly alternatives.

Chinook Salmon Face Habitat Challenges

Katherine E Kerlin — October 14, 2024

A �ٺ��Ƶ study finds that decades of human activities have not only reduced the size of Chinook salmon, but also disrupted their ability to spawn.

Genetic Rescue for Rare Red Foxes?

Katherine E Kerlin — September 26, 2024

A �ٺ��Ƶ study shows inbreeding is affecting Lassen's small, isolated red fox population. Genetic rescue could be a viable option for their recovery.

Half of Uber, Lyft Trips Replace More Sustainable Options

Katherine E Kerlin — August 28, 2024

More than 50% of ride-hailing trips taken by surveyed riders in California replaced more sustainable forms of transportation, found a �ٺ��Ƶ study.

Less Severe Forest Fires Can Reduce Intensity of Future Blazes

Emily C Dooley — August 19, 2024

Low- and moderate-severity forest wildfires can reduce the intensity of future fires, according to new research on "reburns" by the University of California, Davis.

Black Phoebe Project Aims to Protect Bird Species from Urban Sprawl

Amy M Quinton — August 19, 2024

A tiny songbird called the black phoebe is trying to adapt to city life – and it’s not an easy job. They didn’t naturally evolve in the city, and they face different threats than they might in their natural habitat. Black phoebes may encounter tougher predators, more chemical pollution and hotter temperatures in the city.

Annual Report on State of Lake Tahoe Shows Recent Impacts, Long-Term Trends

Andy Fell — August 08, 2024

The annual “State of the Lake” report from the Tahoe Environmental Research Center at the University of California, Davis, released today (Aug. 8), shows how long-term climate trends continue to affect the iconic lake in complex ways. The report also describes how research at Lake Tahoe relates to work at other lakes in the U.S. and worldwide, including the development of new technology, and how citizens are contributing to preserving Tahoe’s natural beauty.

Lake Tahoe Clarity Report Shows Highs and Lows of 2023

Katherine E Kerlin — July 30, 2024

The clarity of Lake Tahoe’s famed blue waters in 2023 continued its years-long trend of improving during the winter and deteriorating during the summer. The annual clarity report, released today by the University of California, Davis – Tahoe Environmental Research Center, found that winter lake conditions were the clearest observed since 1983, with visibility of 91.9 feet under the surface, compared with 72.2 feet in 2022.

California a Botanical and Climate Change Hot Spot

Katherine E Kerlin — July 29, 2024

California's natural beauty and pioneering conservation efforts make it a test bed for protecting biodiversity in the face of climate change, says a �ٺ��Ƶ study in PNAS.

E-Sales of a Wild Bat Sold as Décor Threaten Species

Katherine E Kerlin — July 16, 2024

From wall art to necklaces, a vulnerable Asian bat species is being sold for decor on Etsy, eBay and Amazon sites in the U.S. and globally. It could threaten the species' survival, warns a �ٺ��Ƶ and CUNY study.

The Salmon Diaries: Life Before and After Klamath Dam Removal

Katherine E Kerlin — July 15, 2024

From the Klamath River to the lab, to the ear bones of fish, �ٺ��Ƶ scientists are helping to answer a big dam question: How will salmon use the river following the world's largest dam removal project?

Wildfire, Smoke and Air Quality Experts

Katherine E Kerlin — July 01, 2024

A �ٺ��Ƶ wildfire, smoke and air quality experts list for media, updated for 2024.

Report: Roadkill a ‘Preventable Natural Disaster’

Katherine E Kerlin — June 18, 2024

More than 48,000 deer, thousands of newts, nearly 100 mountain lions and thousands of other animals are killed each year on California roads, according to the 2024 “roadkill report” from �ٺ��Ƶ.

Wildfire Smoke Reached 99% of U.S. Lakes in 2019-2021

Katherine E Kerlin — June 07, 2024

Where there's smoke, there's not always fire. Wildfire smoke drifted to nearly every lake in North America for at least one day per year from 2019 to 2021, found a �ٺ��Ƶ study.

A Drying Salton Sea Pollutes Neighboring Communities

Emily C Dooley — May 29, 2024

Dust particles from the Salton Sea’s exposed lakebed increased air pollution in local communities, found a �ٺ��Ƶ study. The pollution coincides with reduced flows into the lake.

Smoke Covered 70% of California During Biggest Wildfire Years

Katherine E Kerlin — May 22, 2024

As much as 70% of California was covered by wildfire smoke during parts of 2020 and 2021, according to a �ٺ��Ƶ study.

Alaska’s Rusting Waters: Pristine Rivers and Streams Turning Orange

Emily C Dooley — May 20, 2024

Thawing permafrost in Alaska could be exposing minerals to weathering, which is staining rivers orange. �ٺ��Ƶ and partners are investigating.

U.S. Reservoirs Hold Billions of Pounds of Fish

Katherine E Kerlin — April 29, 2024

U.S. reservoirs hold more than 7 billion pounds of fish, a �ٺ��Ƶ study estimates. Properly managed, these existing reservoir ecosystems could help food security and conservation.

�ٺ���Ƶ Science and Climate News