Bob DBF
Contributor
I wonder if an 'ocean cleanup' = solo dive?
Depends. Some ones I've been on that have been sponsored wanted buddy teams. The more informal ones, along the lines of a bunch of us are going diving and pick up trash, didn't care because no one was responsible for the "event".
Since they didn't mention a sponsor for the trip, it may be the latter. Even then, it would depend on whether she solo dives, some people don't.