As mentioned in the title, I think events/meetups should be added to the website/map. From my past experience in community building with various NGOs (Carrotmob, makesense) We realized that meeting people in real life helps a lot create real community feeling and connections that will facilitate in taking up actions and start a plan in the future.
I feel link it would be easy to add them to the map just using a different pin image. At first we could just use Facebook event and past the link as the pin website. And if it works well we could implement it as a feature of the website
What do you think ??