The Right-To-Know Network has been around since 1989. Today, with a modern and searchable Web interface, it offers access to some data that reporters would be hard put to find anywhere else. Most important is its collection of Risk Management Plans — which chemical plants are required to maintain to prevent, prepare for, and respond to toxic disasters.

At Ethics.gov, search several databases with a single search-term entry, potentially speeding discovery of information. It includes data on lobbying registrations, political action committees, contributions to candidates, travel reports, foreign agents registrations, and more. But some open-government advocates consider it merely a down payment on a more comprehensive system.

The organization Maplight now offers three additional ways of looking at its data. Over 14 million records cover ties between lobbying money, legislators, and either all legislation or that relating to several environmental topics. This information can help you better cover Congressional election races of interest to your audience.

The confidential National Air Quality Site Assessment Tool helps the livestock owner/operator figure out how changing on-site practices can reduce emissions of ammonia, methane, volatile organic compounds, hydrogen sulfide, fine particulates, and odors. This may be useful for journalists; whether an owner/operator will discuss the details of their operation or not, there's a story.