Isabel Cuervo is engaged in community-based participatory research to evaluate safety recommendations for cleaning products She works with domestic workers who are among those most affected by these issues.
The following is taken from: "Community-Based Participatory Research: A Strategy for Building Healthy Communities and Promoting Health Through Policy Change." (linked below)
Participatory research can happen in many different disciplines, so it's probably worth checking subject specific databases to see what kinds of participatory research is happening in your area! Below are some suggestions: