Write a letter to a policymaker (local, state, or federal official) explaining your concerns about air or water pollution.
If you are involved in the Dragonfly Mercury Project, use your data to support your concerns. If you are not part of the DMP, use data collected by other scientists to support your concerns.
Request a meeting with the official to talk about your concerns. Offer scientifically proven suggestions to help rectify the problem and actively take part in the solutions.