The state Department of Water Resources sharpened plans for the construction of two 30-mile-long tunnels on the Sacramento River, releasing hundreds of pages of documents in its environmental impact statement detailing the project's changes from the original 2006 plan worth $15 b

Plans to build a $5 billion, 6.3-mile tunnel to close the "gap" of the 710 freeway are gaining headway as both the San Gabriel Valley Council of Governments recommended that project as the best option. The tunnel, which would have two lanes in either direction and would be comple

Two environmental groups have sued the U.S. Bureau of Land Management and the Secretary of the Interior for opening up 400,000 acres of public land in Southern California for fracking, which they claim violates the National Environmental Policy Act.

California's $68-billion high speed rail is facing setbacks in its construction throughout the proposed route from San Francisco to Los Angeles.

In the first phase of a landmark redevelopment deal many years in the making, the U.S. Navy transferred nearly 300 acres of its old Treasure Island/Yerba Buena Island naval base to the City of San Francisco to redevelop the campus into 8,000 homes in exchange for $55 million to t

More than four decades after a graduate student proposed adding a "green belt" of wildlife habitats, parks, and recreational areas in a rim circling the San Fernando Valley, Rep. Adam Schiff is pushing to add as much land as possible "Rim of the Valley Corridor" to the Santa Moni

The Los Angeles Planning Commission advised the City Council to adopt the city's proposed Mobility Plan 2035 (pdf) , update the land use element of 35 community plans, and adopt an ordinance to implement new street standards and complete street principles.

Another group has arisen in the long-running battle to challenge Proposition 13. A coalition of several public employees unions and other interest groups, the Make it Fair organization seeks to place a measure that would upend Prop. 13 on the 2016 statewide ballot.

Gov. Jerry Brown issued an executive order to establish a California greenhouse gas reduction target of 40 percent below 1990 levels by 2030 - the most aggressive benchmark enacted by any government in North America to reduce dangerous carbon emissions over the next decade and a

Water agencies cannot charge water users incrementally more per gallon of use following a ruling by the Fourth District Court of Appeals that cited a 1996 law prohibiting government agencies from overcharging for services. The suit came about after San Juan Capistrano charged nea

Marin County officials and state Coastal Commissioners agreed to take more time to hash out the nuances of new regulatory proposals that county officials think could impose too many constraints on local farmers even as the Commission seeks to limit the impacts of agricultural act

Mayor Eric Garcetti of Los Angeles announced his new " Sustainable City pLAn ," a far-reaching decree that seeks to make Los Angeles sustainable in ways ranging from water to solar energy to waste. Among other things, the plan seeks to reduce daily Vehicle Miles Traveled by 5 per