[JURIST] The New York attorney general on Wednesday filed a complaint [text, PDF] against the US government for failing to investigate the risks of hydraulic fracturing [EPA backgrounder], or "fracking," a controversial technique used to release natural shale gas. The complaint seeks to compel a number of federal agencies to comply with the National Environmental Policy Act (NEPA) [EPA materials] by investigating the environmental impact of fracking and making the findings available to the public prior to adopting a proposal…