Science and Climate Content / Science and Climate Content for UC Davis en 2025 Lake Tahoe Clarity Report Released /index%2Ephp/climate/news/2025-lake-tahoe-clarity-report-released <p><span>Staring into the depths of Lake Tahoe, you might think the view goes on forever. But researchers at the&nbsp;</span><a href="https://tahoe.ucdavis.edu/lake-tahoe"><span>UC Davis Tahoe Environmental Research Center</span></a><span> have been tracking precisely how far a person can see through the famed lake’s waters for nearly 60 years and sharing the results in the annual Lake Tahoe Clarity Report.&nbsp;</span></p> June 09, 2026 - 8:30am Katherine E Kerlin /index%2Ephp/climate/news/2025-lake-tahoe-clarity-report-released Deer Are First Animals to Cross California’s First Wildlife Overcrossing /climate/blog/deer-become-first-cross-northern-californias-first-wildlife-overpass <p>Three mule deer have become the first wildlife to cross over California’s first wildlife overcrossing over a state highway. The project is nearing completion on S.R. 97 in Siskiyou County, <a href="https://www.facebook.com/61556756493806/posts/a-major-milestone-for-wildlife-in-california-these-deer-are-the-first-ever-to-su/122331331202225216/">reported</a> the UC Davis Road Ecology Center and Caltrans this week.<span>&nbsp;</span></p> June 03, 2026 - 11:31am Katherine E Kerlin /climate/blog/deer-become-first-cross-northern-californias-first-wildlife-overpass Researchers Find Carcinogenic Chromium-6 in Palisades, Altadena Fire Cleanup Zones /index%2Ephp/news/researchers-find-carcinogenic-chromium-6-palisades-altadena-fire-cleanup-zones <p>A carcinogen with potentially serious impacts on human health was found in neighborhoods in the months after the 2025 Los Angeles County wildfires and may have spread to communities as far as six to nine miles downwind from the fire zones, according to newly published work by University of California researchers.</p> June 01, 2026 - 9:52am Katherine E Kerlin /index%2Ephp/news/researchers-find-carcinogenic-chromium-6-palisades-altadena-fire-cleanup-zones After the Fires: Protecting LA’s Trees While Learning Lessons for the Future /climate/news/after-fires-protecting-las-trees-while-learning-lessons-future <p>Southern California is emerging from yet another round of wildfires just as the wildfire season gets underway.</p> May 26, 2026 - 8:55am Jocelyn C Anderson /climate/news/after-fires-protecting-las-trees-while-learning-lessons-future These California Wildflowers Could Save Other Plants /climate/news/these-california-wildflowers-could-save-other-plants The jewelflower, a small California wildflower, may help scientists understand how more plants could survive changing weather patterns. May 26, 2026 - 8:50am Jocelyn C Anderson /climate/news/these-california-wildflowers-could-save-other-plants Scientists Dispute Hypothesis That Climate Change Will Unleash Massive Ag Pest Populations /index%2Ephp/news/scientists-dispute-hypothesis-climate-change-will-unleash-massive-ag-pest-populations <p><span>The widespread hypothesis that climate warming will result in unprecedented agricultural pest populations and cause food insecurity worldwide is oversimplified, according to a new study by a team led by&nbsp;</span><a href="https://rosenheim.faculty.ucdavis.edu/mia-lippey/"><span>Mia Lippey</span></a><span>, an entomologist at the University of California, Davis. But the study does indicate that pests fare better in warmer temperatures than their natural enemies, which researchers identified as a cause for concern.&nbsp;</span></p> May 12, 2026 - 10:27am Andy Fell /index%2Ephp/news/scientists-dispute-hypothesis-climate-change-will-unleash-massive-ag-pest-populations A Baby Bird’s Wishlist: Mild Weather, Attentive èßäÉçÇø, Not Being the Smallest Sibling /news/baby-birds-wishlist-mild-weather-attentive-èßäÉçÇø-not-being-smallest-sibling <p>Experiences in the first days and weeks of life can have a profound impact on humans — and birds. A new study led by Sage Madden, a graduate student in evolution and ecology at the University of California, Davis, shows how weather conditions and family dynamics affect the growth of barn swallow (<em>Hirundo rustica erythrogaster)</em> chicks.&nbsp;</p> May 11, 2026 - 10:28am Andy Fell /news/baby-birds-wishlist-mild-weather-attentive-èßäÉçÇø-not-being-smallest-sibling Study Projects Plant Extinction Rates Through 2100 /climate/news/study-projects-plant-extinction-rates-through-2100 A UC Davis&nbsp;study in Science&nbsp;found that 7% to 16% of global plant species studied face&nbsp;high risk of extinction&nbsp;by 2100 under current climate change projections. May 07, 2026 - 11:00am Katherine E Kerlin /climate/news/study-projects-plant-extinction-rates-through-2100 Forest Fuel Treatments Reduce Wildfire Spread, Prevent $2.8 Billion in Damage /index%2Ephp/climate/news/forest-fuel-treatments-reduce-wildfire-spread-prevent-28-billion-damage A UC Davis study finds every dollar spent on forest fuel treatments saves $3.75 in wildfire damages. May 07, 2026 - 11:00am Amy M Quinton /index%2Ephp/climate/news/forest-fuel-treatments-reduce-wildfire-spread-prevent-28-billion-damage Climate Change Increases Spillover Risk of Rodent-Borne Arenaviruses /climate/news/climate-change-increases-spillover-risk-rodent-borne-arenaviruses <p>Climate change is likely to drive rodent-borne arenaviruses into parts of South America that have never faced these diseases, putting new communities of people at risk, finds a study from the University of California, Davis.&nbsp;</p><p>For <a href="https://www.nature.com/articles/s44298-026-00189-2">the study, published</a> in the journal <em>npj Viruses</em>, scientists incorporated climate projections, shifting rodent populations and the risks of human infection into a model to offer an early risk projection for arenaviruses and other diseases in the next 20 to 40 years.</p> May 04, 2026 - 9:00am Katherine E Kerlin /climate/news/climate-change-increases-spillover-risk-rodent-borne-arenaviruses