The best volunteer abroad organization/program?

I have just finished University in England and am now looking to gain experience in sustainable development through internships and/or volunteering. My question is, what are the best companies/programs to do this with? I have no current experience in...

I am planning to volunteer abroad this year. Does anyone know best volunteer abroad programs or organizations?

I'm searching for good volunteer abroad programs, please help if you can!

I am a premed student trying to build my resume. I'm looking for a "volunteer abroad" program for this summer. Can anyone tell me of a good affordable program? I'm looking for something medical related, though I don't have any certificates...

I'm a young professional interested in doing a "volunteer vacation" abroad, and am not sure where to start. Looking for something a) Safe b) In an interesting locale/country c) Makes a real impact- open to anything from building houses to teaching...

also are there free volunteer companies or do u have to pay fees for them all? I only know of 2 and so far CCS seems the best. Anymore?

I want to volunteer in brazil or any other place for a month in the summer, what is the best program to go through?

I work with a non-profit based in Pune, India. We're looking for people to volunteer for at least 3 months. Where can I list this opportunity? Preferably for free.

I am going to Nepal from Sept-Jan. But now I am considering longer (until March) which is 6 months instead of four. Has anyone volunteered abroad and has any advice?