(the non- and formerly-human), that would be. I support Dulaan and Knitters Sans Frontieres and people like that, but I haven't been prone to appealing for causes myself. Here's a good one, though:
Wouldn't you like to save a major Hopewell site and 325 acres of Appalachian forest? Follow the link to an excellent presentation. Or first follow this one, print and mail (look, it's okay to be antique in more than one way) them some money.