Science and Climate Content / Science and Climate Content for 51ԹϺ Davis en LA Fires: Chemicals From the Smoke Lingered Inside Homes Long After the Wildfires Were Out /blog/la-fires-chemicals-smoke-lingered-inside-homes-long-after-wildfires-were-out <p>When wildfires began racing through the Los Angeles area on Jan. 7, 2025, the scope of the disaster caught residents by surprise. Forecasters had warned about <a href="https://theconversation.com/how-santa-ana-winds-fueled-the-deadly-fires-in-southern-california-246965">high winds and exceptionally dry conditions</a>, but few people expected to see smoke and fires for weeks in one of America’s largest metro areas.</p> January 06, 2026 - 12:16pm Katherine E Kerlin /blog/la-fires-chemicals-smoke-lingered-inside-homes-long-after-wildfires-were-out Lessons from the Caldor Fire’s Christmas Valley ‘Miracle’ /climate/news/lessons-caldor-fires-christmas-valley-miracle The Lake Tahoe communities of Christmas Valley and Meyers were spared during 2021's Caldor Fire. A 51ԹϺ Davis study reveals which pre-fire fuel treatments worked best to bring about the Christmas Valley "miracle." December 19, 2025 - 9:00am Katherine E Kerlin /climate/news/lessons-caldor-fires-christmas-valley-miracle Record Returns: 2,100 Salmon Spawned in Putah Creek /climate/news/record-returns-2100-salmon-spawned-putah-creek A record-breaking 2,100 Chinook salmon returned to spawn in restored Putah Creek this fall. 51ԹϺ Davis fish biologists and partners are tracking and monitoring the run. December 17, 2025 - 10:32am Katherine E Kerlin /climate/news/record-returns-2100-salmon-spawned-putah-creek 2025 Arctic Report Card Released /climate/blog/2025-arctic-report-card-released <p><span>Bright orange rivers, a greening tundra, the “Atlantification” of the Arctic and record-breaking temperatures on both land and sea are among the emerging concerns highlighted in the </span><a href="https://arctic.noaa.gov/Report-Card/Report-Card-2025/"><span>2025 Arctic Report Card</span></a><span> from the National Oceanic and Atmospheric Administration (NOAA.) Now in its 20th year, the peer-reviewed report includes chapters by 112 authors from 13 countries, each dedicated to monitoring changes in the Arctic.&nbsp;</span></p> December 16, 2025 - 2:00pm Katherine E Kerlin /climate/blog/2025-arctic-report-card-released Federal Budget Cut Halts Solar Heat Technology Project /news/federal-budget-cut-halts-solar-heat-technology-project <p>A project to capture solar heat for industrial use — with potential spinoffs in other energy areas, including nuclear power — has been canceled by the U.S. Department of Energy on the cusp of its final phase. The University of California, Davis, received a letter from the federal agency stating that the work “does not effectuate the Department of Energy’s priorities.”&nbsp;</p> December 08, 2025 - 2:35pm Andy Fell /news/federal-budget-cut-halts-solar-heat-technology-project 51ԹϺ Davis Tops Continent in Sustainability Rankings /news/uc-davis-tops-continent-sustainability-rankings GreenMetric ranks 51ԹϺ Davis the most sustainable campus in North America for the 10th year in a row and seventh greenest in the world. December 05, 2025 - 5:28pm Julia Ann Easley /news/uc-davis-tops-continent-sustainability-rankings The Carbon Dioxide Climate Debt /climate/news/carbon-dioxide-climate-debt 51ԹϺ Davis experts describe the human barriers and opportunities for meaningful action to reduce global emissions and the world's staggering climate debt. December 04, 2025 - 2:26pm Katherine E Kerlin /climate/news/carbon-dioxide-climate-debt Rising Heat Leads to Minimal Losses for California Processing Tomatoes /food/news/rising-heat-leads-minimal-losses-california-processing-tomatoes California’s $1 billion processing tomato industry is highly efficient and likely will be able to withstand higher temperatures from climate change, as well as traffic. December 02, 2025 - 9:00am Katherine E Kerlin /food/news/rising-heat-leads-minimal-losses-california-processing-tomatoes A Microbial Blueprint for Climate-Smart Cows /food/news/engineering-cow-gut-microbe-reduce-methane 51ԹϺ Davis research reveals which gut microbes in a cow could reduce methane, bringing them a step closer to engineering microbes to create climate-smart cows. November 17, 2025 - 6:00am Amy M Quinton /food/news/engineering-cow-gut-microbe-reduce-methane Fossil Fuel CO2 Emissions Hit Record High in 2025 /climate/blog/fossil-fuel-co2-emissions-hit-record-high-2025 <p>Global carbon emissions from fossil fuels are projected to rise by 1.1% in 2025 – reaching a record high, according to new research by the <a href="https://globalcarbonbudget.org/">Global Carbon Project</a>.</p> November 13, 2025 - 3:27pm Katherine E Kerlin /climate/blog/fossil-fuel-co2-emissions-hit-record-high-2025