There are well over a thousand binational or multinational environmental agreements, usually technical and obscure. However, environmental reporters would do well to know about them — to shed light on local stories and to find national or international news. Here's help.

For years, scientists at the National Toxicology Program have published the "Report on Carcinogens," which lists chemicals known to (or believed to) cause cancer. The "12th Report on Carcinogens" was released on June 10, 2011 — will there be a 13th? Some House Republicans want to stop updating and publication of the report.

An analysis of records and statistics by Post reporter James Ball concluded: "Three years later, new evidence suggests that administration officials have struggled to overturn the long-standing culture of secrecy in Washington. Some of these high-profile transparency measures have stalled, and by some measures the government is keeping more secrets than before."

Public Employees for Environmental Responsibility is charging the National Park Service with duplicity for multiple reasons regarding demotion of the North Country, Ice Age, and New England Trails, which collectively span 6,020 miles.

The Food and Drug Administration secretly captured e-mails of FDA employees suspected of whistleblowing for agency laxity in protecting the public — but ended up also reading correspondence with reporters, lawyers, and Congress.

A large and diverse array of businesses have an interest in the environmental and energy laws that state legislatures consider: including coal, oil, plastics, chemicals, mining, forest products, and others. The possible financial stake lawmakers may have in the bills before them is fertile ground for investigation. Here's help in finding story ideas.