Find out if researchers have done studies about effects of current policies on your topic?
Find out if researchers have done pilot projects on proposed policy changes?
Journal articles will not give you the most current information. It can take over a year for journal articles to be published. Search Google for reliable open access and news sources for more current information.
Google Scholar is an open source search tool that spans across many disciplines and sources: it is often a very good resource for finding materials that may not appear in subscription library databases such as reports from professional societies, preprint repositories, universities, research institutes and think tanks, and other scholarly organizations.