In California, There’s One Import That Nobody Wants – the New York Times

Large amounts of untreated sewage flow daily from Mexico into Imperial Beach, Calif. That has closed beaches and sickened residents…
These stunning photos show how nature came back after the world’s largest dam removal project – Fast Company

Four dams and three large reservoirs were removed from the Klamath River in a project that finished last year—and acres of native wildflowers are now in bloom along the river’s edge…
As Coastline Erodes, One California City Considers ‘Retreat Now’ – Bloomberg

Carlsbad, unlike many other seaside communities, might just have the time, space and resources to get ahead of coastal erosion…
The wealthy California town that can’t get rid of water fast enough – SFGate

Every day, Rancho Palos Verdes inches closer to destruction. The beleaguered Southern California city, which is southwest of downtown Los Angeles and hugs the waterline between Redondo Beach and San Pedro, is quite literally sliding into the ocean, sometimes at a rate of 4 inches per week…
Pacifica can keep its controversial seawalls, California agency says — for a limited time only – the San Francisco Chronicle

Pacifica can use new and existing seawalls to bolster parts of its shoreline for at least 20 years, the California Coastal Commission ruled Thursday — a decision that angered both opponents and supporters of using the walls to defend against storms and sea level rise. ..
They lost their coastal Malibu homes to fire. But should they rebuild along a rising sea? – the Los Angeles Times

“I think we suffer from what I call a short disaster memory. We want to get in there and build and rebuild as fast as we can,” said Gary Griggs, a UC Santa Cruz oceanographer and coastal geologist who wrote “California Catastrophes: The Natural Disaster History of the Golden State.” But the impermanence of coastal construction ”is not something most people are interested in hearing about.”…
How the Klamath Dams Came Down – Grist Magazine

Last year, tribal nations in Oregon and California won a decades-long fight for the largest dam removal in U.S. history.
This is their story…
A Scenic California Rail Line Sits on an Eroding Cliff. Where Should the Tracks Go? – the New York Times

In the city of Del Mar, near San Diego, most agree the train tracks must move off eroding bluffs. But debate over its new route has stalled the project while climate change raises the risks. …
‘Extremely disturbing’: High levels of heavy metals at Monterey Bay Estuary – the Los Angeles Times

Days after one of the world’s largest lithium ion battery storage facilities burst into flames in Monterey County, researchers found alarmingly high concentrations of heavy metals at a nearby estuary that is home to several endangered species…