California

Construction begins on the world’s largest solar power development

MidAmerican Solar and SunPower Corp. have begun construction on the 579 megawatt Antelope Valley Solar Project.

Los Angeles declares no more coal use by 2025

City plans to consume more natural gas and renewable energy resources.

Zinc key ingredient to make the ultimate portable battery

The innovation could enable a completely new generation of devices, known so far as wearable electronics.

SEC files fraud charges against California-based gold miner

The SEC is accusing Nekekim Corp. and its CEO of deceitfully luring hundreds of investors to spend $16 million on a fruitless gold mining venture.

Molycorp announces start of Californian rare earth operations

Molycorp Inc. (NYSE:MCP) has announced that its new Project Phoenix heavy rare earth concentrate facilities situated at Mountain Pass in California have commenced operation, marking the beginning of the US company's bid to challenge Chinese rare earth dominance. Project Phoenix …

Baja Mining stocks surge 77% on Korean consortium's $90mln payment

Shares in Vancouver-based Baja Mining Corp. (TSX:BAJ) have surged following confirmation from the company that a Korean consortium has paid USD$90 million to become a 51% owner of Baja subsidiary Minera y Metalurgica del Boleo S.A. de .C.V. (MMB)

The new 49ers and California's second gold rush

Scores of hard-core prospectors work the San Gabriel, and perhaps 50,000 people throughout the state prowl a few weekends a year with pans and metal detectors and dowsing rods.

CP: Sutter Gold to proceed with California project after positive assessment

Sutter Gold Mining Inc. (TSXV:SGM) said Wednesday it will go ahead with mine and mill construction at the company's Lincoln gold project in California, according to a report by Canadian Press:

The decision follows completion of an independent preliminary economic assessment that indicated "positive economics" for the project near Sutter Creek, Calif., using a base gold price of US$1,100 an ounce.

The project will be financed through a $20 million prepaid gold facility from RMB Australia Holdings. Sutter has agreed to deliver a total of 53,027 ounces to RMB, at a price of approximately $950/oz.

Emgold moves forward with Idaho-Maryland project permitting

Emgold Mining provides the following update on its Idaho-Maryland Project ("Project"), located in Grass Valley, California. In follow up to the Company's March 7, 2011 press release, Emgold, through its 100 percent owned subsidiary Idaho-Maryland Mining Corporation ("IMMC"), has commenced the filing process for its 2011 Revised Permit Application with the City of Grass Valley ("City"). The City is the Lead Agency and responsible for completing the Environmental Impact Report ("EIR") for the Idaho-Maryland Project, as part of the California Environmental Quality Act ("CEQA") process.

Molycorp up 10 percent after congressman introduces rare earth legislation

U.S. Rep. Mike Coffman's rare earth legislation may have lit a fire under Molycorp's stock price, which rose 10.3% on Thursday trading.

Coffman, Republican congressman representing Colarado, introduced legislation on Wednesday calling for a variety of measures that would better ensure that the United States has secure access to rare earth metals.

Molycorp stock finished Thursday at $68.45. The stock's 52-week range is $12.10 to $68.79.