It was for a nonprofit and the said it was to support summer camps for kids.
They used high pressure tactics on the phone and I was young and not yet good with telling people to fuck off.
Like I said, I did more research, did not donate, and now use the experience to fuel my willingness to tell people to fuck off when they try to manipulate me.
If you're going this route, use the same logic they do: nature preserves that sell rights to hunt big game, to find the preservation.