Chevron may be in legal trouble related to its CSR and environmental liabilities:

(GreenBiz.com) Chevron reduced greenhouse gas emissions by 800,000 metric tons of carbon dioxide equivalent last year, surpassing its annual target as it has done every year since 2004.

The San Ramon, Calif.-based oil and gas company has improved the energy efficiency of its operations 28 percent since 1992, Chevron said today in its annual corporate responsibility report. It will begin reporting waste data and also develop a protocol for reporting water use.

The news isn’t all rosy: Chevron, for example, revealed the amount of petroleum spilled into the environment grew in 2008, although the number of incidents declined. And tucked into the middle of the report, Chevron also offered an update on a legal case that has garnered lots of attention, particularly in the last few days.

Read more at GreenBiz.com: Legal Troubles Overshadow Chevron's CR Report

(The Wall Street Journal) Chevron Corp. (CVX) confirmed Wednesday it received a letter from New York's attorney general inquiring as to whether the company has been frank enough with shareholders regarding its potential liability in the environmental lawsuit it faces in Ecuador.

In a letter sent Tuesday to Chevron Chief Executive David O'Reilly, New York Attorney General Andrew Cuomo said his office has received in recent weeks shareholder complaints regarding Chevron's disclosures of the potential litigation risks and the company's characterization of available legal defenses.

Read more at The Wall Street Journal: Chevron Confirms NY AG Inquiry Into Ecuador Lawsuit Liability