7) Green blogger
OK, so maybe this is just hopeful thinking on the part of the author, but the world needs more smart, green bloggers. Saving the environment is a subject fraught with complex ideas, personalities and ever-advancing science, and it takes a hip writer to sort it all out and frame it in a way that your average reader can grasp. Not that you should go out and try to be a green blogger. We don't need the competition. :D
There you have it — seven jobs that should survive and thrive in this economic slump.