The oil boom in North Dakota's Bakken region has led to more crude oil being transported by train throughout the country and, consequently, a rise in oil train accidents. On Aug. 29, California passed new legislation that would help emergency response officials prepare for potential disasters. The legislation would require rail companies to submit emergency response plans and inform officials about the movement of crude oil and other hazardous materials through the state. The bill dovetails with related federal efforts to boost rail safety.

The U.S. Environmental Protection Agency (EPA) is not adequately monitoring more than 172,000 wells used to enhance oil and gas drilling and dispose of drilling wastewater, according to a July 28 report by the Government Accountability Office (GAO). The report, based on two years of research, identified several significant problems with EPA's program to protect groundwater from drilling chemicals and wastes.

On July 24, the U.S. Environmental Protection Agency (EPA) released a preview of its Request for Information (RFI) on revisions to its Risk Management Program, which tracks information and requires disaster prevention plans from potentially risky chemical facilities.

On July 7, a fire broke out at a Chevron Phillips chemical plant in Port Arthur, Texas injuring two workers and frightening neighbors in the largely residential neighborhood. While the cause of the fire is still being determined, the incident highlights the danger posed by facilities that store large amounts of chemicals and the importance of providing the public with information on chemical threats in their communities.