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IN SUMMARY: California is updating CalEnviroScreen, the pollution monitoring system that helps determine which communities receive environmental subsidies. Activists say the state needs to improve the tool and use it more often to reduce pollution. This article is also available…

IN SUMMARY: EPA Administrator Lee Zeldin met with local and congressional leaders in San Diego to tout U.S. and Mexican progress in cleaning up the polluted Tijuana River. This article is also available in English. Read it here. The United…

By Edgar Zazueta, especially for CalMatters Students line up at a Southern California school on Feb. 6, 2023. Districts in the state may be responsible for $3 billion in sexual assault payouts, the state says. Photo by Shelby Knowles for…

A member of the Integral Ecology Research Center discovers a pesticide sprayer hidden under bushes at an illegal cannabis site in the Shasta-Trinity National Forest on November 12, 2025. Photos by Fred Greaves for CalMatters Illegal cannabis farms hidden in…

By John Manley, especially for CalMatters Sacramento Classroom May 11, 2022 Lawmakers may add restrictions to limit financial awards for victims of school child sexual abuse. Photo by Miguel Gutierrez Jr., CalMatters This comment was originally posted by CalMatters. Sign…

from Deborah BrennanCalMatters Part of the Tijuana River next to Saturn Boulevard in San Diego on November 21, 2025. Photo by Adriana Heldiz, CalMatters This story was originally published by CalMatters. Sign up for their newsletters. The United States and…

from Kayla MichalovichCalMatters This story was originally published by CalMatters. Sign up for their newsletters. Two websites that distribute instructions on how to make ghost guns are facing a new lawsuit from the state of California, alleging they provide access…

from Yue Stella YuCalMatters California Environmental Protection Agency (CalEPA) offices in Sacramento on February 6, 2026. Photo by Miguel Gutierrez Jr., CalMatters This story was originally published by CalMatters. Sign up for their newsletters. One of California’s largest public employee…

Parents and children protesting the construction of a warehouse that activists say would harm the health of local residents outside Hillside Elementary School in Los Angeles on November 26, 2024. Photo by Zaydee Sanchez for CalMatters A tool used by…

from Alejandra Reyes-VelardeCalMatters An athlete plays soccer on a public soccer field surrounded by warehouses and smog in Jurupa Valley, June 3, 2025. Photo by Elisa Ferrari for CalMatters This story was originally published by CalMatters. Sign up for their…