looking to work abroad

I'm a senior in college graduating in May with a BA in Spanish and Anthropology and I can't think of anything better to do with my life than work in adoption. I really don't know much about it, but I would LOVE to work in international adoptions. The only thing is, I would prefer to live abroad in a Latin American country to help facilitate the adoptions.I have spent time abroad in Mexico and am fluent in Spanish, and have also spent some time (not much) volunteering in an orphanage there. If anyone can give me any information on how to go about doing this, I would really appreciate it. Thanks so much!