Billy Wolfe, of the Clarksburg Exponent Telegram, learns more about the chemicals in the hydraulic fracturing fluid used by gas-drilling companies.

The Supreme Court of Canada will consider this week a request by the National Post, civil liberties and media groups to overturn an Appeal ruling that police investigations override the Charter guarantee of free expression.

The browsable report lists the date the request was received, the date a response is due, and the status.

Use this free software tool, downloadable from EPA, to calculate how much injury a chemical spill could cause.

After an appeals court ruling against them, and running out of funds, conservationists dropped their suit against the Forest Service for escorting them from a press conference on a Bitterroot National Forest timber sale.

Watchdog groups and the Associated Press report on federal agency foot-dragging in making a reality of Obama administration declarations that it would foster government transparency.