"Homeowners in Los Angeles have started the long process of rebuilding after the destructive wildfires in January. Some are constructing homes that are much less likely to burn when the next wildfire hits." "Still, thousands of other homeowners in the urban center of Altadena are about to rebuild without wildfire-resistant materials, because they live outside a state-designated wildfire zone."

"Long Beach residents near companies that use methyl bromide are angry that air quality officials didn’t notify them for years and haven’t assessed their health risks. Now officials say more facilities are operating in San Pedro and Compton."

"After decades of pressure from farmworkers and their allies, California launched a statewide system to warn communities before they’re exposed to toxic pesticides. But health concerns remain."

"California air quality regulators announced the launch of a first-in-nation satellite data project Friday, with the aim of monitoring and minimizing methane emissions."

"With the release of its fourth and final round of color-coded hazard maps this morning, California’s firefighting agency is showing just how much of the state is prone to wildfire — and how much that computationally-modeled danger zone has grown since the state issued its last round of local hazard maps more than a decade ago."

"Styrofoam coffee cups, plates, clamshell takeout containers and other food service items made with expanded polystyrene plastic can still be found in restaurants and on store shelves, despite a ban that went into effect on Jan. 1."

"After decades of lax oversight, new efforts are underway to protect communities from toxic emissions without putting the industry out of business."

"Evacuating the Tahoe basin in summer could take 14 hours, and 99% of properties in South Lake Tahoe are at risk — yet new resorts are being built in high-danger fire areas."

"The Trump administration touched off consternation and confusion over the weekend, issuing, and then apparently rolling back, an announcement implying the president had rescinded his predecessor’s order creating two popular national monuments in California."

"After a year of product tests that show pesticides in California cannabis products, regulators have yet to update standards. Santa Cruz County commissioners say the delay warrants a “public health emergency” and shifting responsibility to other state agencies."