Communicating about a complex public issue is difficult enough without complicating the challenge with a welter of words. Crisp thinking, lean language and engaging tools are better suited to this public affairs job.
The key is to put yourself into the shoes of your target audience and frame what you say so it anticipates and answers their questions and explains why they should care.
It is tempting to write everything you know rather than zero in on significant benefits to your audience and the larger community. Your audience most likely is uninterested in a college lecture on your subject. Give them your research-tested key messages, while offering easy ways to access deeper information for those who want to know more.