Good data isn't just important to researchers; it's also essential for people who want to participate in the governmental processes that affect our environment. The US government makes a lot of environmental data available to the public and provides many opportunities for public participation, but both the information and the engagement opportunities need to improve if we're going to effectively address the many threats to our health, from air pollution to climate change. The nonprofit OMB Watch has just released an action plan that contains many specific recommendations for doing exactly…