/ Environmental Toxicology Content for 51³Ô¹ÏºÚÁÏ Davis en /climate/news/alaskas-rusting-waters-pristine-rivers-and-streams-turning-orange Thawing permafrost in Alaska could be exposing minerals to weathering, which is staining rivers orange. 51³Ô¹ÏºÚÁÏ Davis and partners are investigating. May 20, 2024 - 11:54am Emily C Dooley /climate/news/alaskas-rusting-waters-pristine-rivers-and-streams-turning-orange /climate/news/older-wildfire-smoke-plumes-can-affect-climate <p><span><span>Aerosols carried in wildfire smoke plumes that are hundreds of hours old can still affect climate, according to a <a href="https://pubs.acs.org/doi/abs/10.1021/acs.est.1c07301">study</a> out of the University of California, Davis. </span></span></p> <p><span><span>The research, published in the journal Environmental Science and Technology, suggests that wildfire emissions even 10 days old can affect the properties of aerosols — suspended liquid or particles that are key to cloud formation. </span></span></p> March 23, 2022 - 11:45am Katherine E Kerlin /climate/news/older-wildfire-smoke-plumes-can-affect-climate