Climate

A person in Long Island, N.Y., tested positive for chikungunya virus this month, the state health department said. It’s the first locally acquired case of the virus since 2019. There’s …

NAIROBI — A large mushroom farm near the Kenyan capital of Nairobi is one of a kind: It grows fungi on an industrial scale — not as food for restaurants but as …

President Trump signed an agreement with visiting Australian Prime Minister Anthony Albanese to boost access to critical minerals and rare earths as the U.S. seeks to reduce reliance on Chinese …

A burned-down hilltop mansion once featured in HBO’s “Succession” is one of eight Pacific Palisades properties declared a public nuisance by Los Angeles city officials who alleged the owner still …

MEXICO CITY — The most recent torrential rains in east-central Mexico, which have left at least 76 dead and dozens more missing, have raised questions again about the government’s ability to alert …

Professor Omar Yaghi won the 2025 Nobel Prize in Chemistry for a scientific breakthrough that his startup is now on the verge of commercializing. Its technology harvests water from the …

Standing behind a lectern emblazoned with the words “Cutting Utility Bills,” Gov. Gavin Newsom signed into law last month a package of energy bills that he said “reduces the burden …

BISHOP, Calif. — In a desert landscape dominated by sagebrush, a piece of Los Angeles’ immense water empire stands behind a chain-link fence: a hydrant-like piece of metal atop a well. The …

PORTLAND, Ore. — Conservationists and the state of Oregon have asked a federal court to approve changes to dam operations on the lower Snake and Columbia Rivers to help restore salmon populations, …

At last month’s meeting of the California Wildfire and Forest Resilience Task Force in Redlands, Director Patrick Wright remembered the group’s early days: “Candidly, when I started this job, we …