Environment Content

Novel Study Calculates the Cost to Cattle Ranchers of an Expanding Wolf Population

Amy M Quinton — April 21, 2025 - 4:16pm

91��Ƭ Davis researchers found that one gray wolf can cause between $69,000 and $162,000 in losses due to lower pregnancy rates in cows and decreased weight gain in calves.

A New Record for California’s Highest Tree

Katherine E Kerlin — April 17, 2025 - 9:00am

A 91��Ƭ Davis professor's pleasure hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.

Avian Influenza Major Setback for the Patagonian Seal Population

Katherine E Kerlin — April 16, 2025 - 3:33pm

It may take 100 years for the southern elephant seal colony of Península Valdés in Argentine Patagonia to look like it did in 2022. A study published in Marine Mammal Science projected population trajectories after the 2023 epidemic of the High Pathogenicity Avian Influenza H5N1 virus, which killed almost all newborn pups and an unknown number of adults.

Can Citizen Science Be Trusted? New Study of Birds Shows It Can

Andy Fell — April 15, 2025 - 4:18pm

Platforms such as iNaturalist and eBird encourage people to observe and document nature, but how accurate is the ecological data that they collect?

The Conversation: Do Environmental Protection Laws Still Apply Under Trump?

Karen Michele Nikos — March 13, 2025 - 2:10pm

Environmental protection laws still apply even under Trump’s national energy emergency — here’s why

In response to President Donald Trump’s declaration of a “national energy emergency,” the U.S.

Awareness of Rocky Mountain Spotted Fever Saves Lives

Katherine E Kerlin — March 06, 2025 - 8:57am

Rocky Mountain spotted fever is a bacterial infection spread by biting ticks to humans and dogs. Found on every continent except Antarctica, the infectious disease has been spreading since the early 2000s, most notably in Mexico and Brazil. Of the cases reported, more than half of infected people and dogs die.

A paper led by the 91��Ƭ, Davis, highlights one of the most effective but often missing solutions to surviving this preventable, deadly disease: awareness. Most fatal cases stem from delays in diagnosis and treatment.

Burning Question: How to Save an Old-Growth Forest in Tahoe

Katherine E Kerlin — March 03, 2025 - 9:02am

On the shores of Lake Tahoe at Emerald Bay State Park grows what some consider to be the most iconic old-growth forest in the Lake Tahoe Basin. Giant ponderosa pines — some of the last remaining in the area — share space with at least 13 other tree species.

California Rice and Wildlife Report Released

Katherine E Kerlin — February 27, 2025 - 9:00am

How many acres of rice are needed to support wildlife? 91��Ƭ Davis outlines a conservation footprint for the state's rice in a report for the California Rice Commission.

Improving Indoor Air Quality for Better Public Health

Jocelyn C Anderson — February 24, 2025 - 9:10am

Scientists are unraveling the complex factors that go into indoor air quality and how indoor air pollution and airborne pathogens are affecting public health.

Energy and Transportation Experts

Katherine E Kerlin — February 07, 2025 - 2:46pm

The following sources from the 91��Ƭ, Davis, are available to talk with media about climate change impacts and solutions related to energy and transportation.

Find more energy and transportation experts and learn about their research at the 91��Ƭ Davis Institute of Transportation Studies and Energy and Efficiency Institute websites.