In light of the official NetAid Global Action Day, I have posted two links below that will lead you to useful resources for confronting the issue of global hunger:
Otherwise, check the links available to the right below the header: UNCONVENTIONAL WISDOM. Particularly browse Catholic Charities and Amnesty International.
Signing petitions and writing letters to state reps. is a good way to take action. Otherwise, read up and maybe even fast for a day or two!