The Volunteer Traveler's Handbook ~ 10 tips for connecting with locals - volunteering is one of them and this book tells you how to find ethical and sustainable volunteer opportunities to fit your travel style.
20 Cool Hostels In Europe For Every Traveler Who’s On A Budget
International Volunteer HQ (IVHQ) provides safe, quality and extremely affordable volunteering travel opportunities in developing countries all over the world. ( going to volunteer in china for the summer with them!) so excited!