Environment Meet the US conservationist who helped create Chile's newest national park We look at how one US conservationist's work is helping preserve Chile's wilderness at the southernmost tip of the South American continent. John Bartlett
Environment O Christmas tree, O Christmas tree, which is more sustainable: real or plasticky? It's time to discuss one of the perennial debates of the holiday season. Are real Christmas trees or their fake counterparts more eco-friendly? Alina Hartounian
Environment Disappointed by this year's climate talks, Indigenous advocates look to Brazil in 2025 Indigenous advocates called the final agreement in Azerbaijan "drastically insufficient." Now they're focusing on next year's global climate summit in Brazil where Indigenous participation is expected to be historic. Nate Perez
Environment Salmon deaths bring new attention to a longstanding problem A few years ago, scientists cracked a murder mystery -- they figured out what's been killing Coho salmon in urban streams in the Pacific Northwest. The culprit: particles from tires. Camila Domonoske
Environment King County’s little red fish swims back from brink of extinction More kokanee salmon have spawned in streams above Lake Sammamish in 2024 than at any other time in a decade. John Ryan
Environment Cultivated meat is far from a mass market. So why are states banning it now? Cultivated meat is grown from animal cells in a lab as a more climate-friendly alternative. Two states have already banned it.
Environment With talks teetering, climate negotiators struck a controversial $300 billion deal Representatives of developing countries and climate activists were furious over the outcome, saying $300 billion annually from industrialized countries is far short of what vulnerable nations need to better protect themselves from climate change. Michael Copley Jeff Brady Julia Simon Alejandra Borunda Lauren Sommer
Environment Climate change plays a role in global rise of dengue fever Over 12 million cases of dengue fever were reported in 2024, the most ever. A study suggests climate change has likely played a significant role in the disease's expansion. Alejandra Borunda
Environment Atmospheric rivers aren't new. Why does it feel like we're hearing about them more? In recent years, "atmospheric river" has become used much more frequently in scientific papers and in media coverage. According to experts who study climate and weather, a few reasons may explain why. Danielle Venton