For decades, Congress has refused to release taxpayer-funded reports by the Congressional Research Service. Fortunately, the Federation of American Scientists' Government Secrecy Project gets them and releases them. Here are some new explainers that may be of use to environmental journalists.

It's true — some public information officers are really paranoid. High Country News reporter Tristan Baurick, trying to report on preservation of a historic chalet in Olympic National Park, found "a bizarre blockade on press freedom, the likes of which I’d never experienced outside a military base or murder scene."

Of the 457 investigations closed by the Interior Department's Inspector General's office last year, the office released public reports on only three. Not only were many of the reports withheld or redacted, but even the list of investigations was redacted before it was released.

The Center for Effective Government has compiled an interactive mapping database of some of the most dangerous chemical facilities in the U.S., showing their proximity to schools. The group also mapped which Congressional districts contain the most schoolkids at risk.