EPA intends tougher downwind air-pollution rule in 23 states

The Environmental Protection Agency proposed tougher new limits on Tuesday on smokestack emissions from nearly two dozen states that burden downwind areas with air pollution from power plants they can't control.

US court allows last month of phone spying program

An appeals court Thursday upheld the US government's systematic surveillance of American telephone calls for the duration of a Congress-approved transition period that expires next month.

Appeals court rules in favor of Google's online library

Google is not violating copyright laws by digitizing books for a massive online library, a federal appeals court ruled Friday in a decadelong dispute by authors worried that the project would spoil the market for their books.

Court orders EPA to revise ship ballast dumping regulations

A federal appeals court ordered the government Monday to rewrite its regulations on ballast water discharges from ships, one of the leading culprits in the spread of invasive species across U.S. waterways.

Microsoft, US clash in court on overseas email warrant

Microsoft and the US government clashed Wednesday in an appellate court hearing on law enforcement access to emails stored overseas, in a case with important implications for global data protection.

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