Environment

San Diego leaders are calling on California to take stronger action to address the ongoing environmental crisis caused by sewage and industrial pollution flowing from the Tijuana River.

Echoing state and local officials, a new analysis agrees: hydrant failures in the Palisades fire were ‘the rule rather than the exception.’

A state regulator is requiring California’s last nuclear power plant to conserve 4,000 acres of surrounding land to keep operating until 2030.

Even among experts the cost of water supplies is hard to pin down. A new study reveals huge differences in what water suppliers for cities and farms pay for water from rivers and reservoirs in California, Arizona and Nevada.

Artificial intelligence and its growing demand for data centers are putting new pressure on California’s electric grid. In San Jose, supporters see jobs and investment, while a key ratepayer advocate worries customers could end up paying for upgrades.

The Tijuana River’s sewage contamination continues to sicken communities in southern San Diego County. San Diego County Supervisor Paloma Aguirre has become a leading force in pushing for binational fixes and emergency funding to protect public health.

Three new pro-development appointees at the powerful Coastal Commission are trying to remedy its poor reputation among housing activists and Democratic leaders.

A new report estimates that California’s data centers are driving increases in electricity use, water demand and pollution even as lawmakers stall on oversight.

The federal government has often set deadlines on the Colorado River, but in recent years has rarely enforced them. Negotiations among California and the six other basin states will now continue into next year, as Arizona ramps up its rhetoric and calls for a firmer hand from the Trump Administration in the talks.

California state officials are in Brazil for the annual United Nations climate conference. The visit highlights California’s role as a climate leader and supports its environmental policies, especially since the U.S. has no official federal delegation. However, some critics question whether the trip is worthwhile because California lacks the power to make international agreements.