Humanitarian

This small Dutch foundation aims at improving the lives of people in rural Nepal through small-scale tangible projects, like building schools, with the active involvement of the people concerned.

"The New Internationalist exists to report on issues of world poverty and inequality; to focus attention on the unjust relationship between the powerful and the powerless in both rich and poor nations; to debate and campaign for the radical changes necessary if the basic material and spiritual needs of all are to be met."

Idealist.org has a database with over 37000 links to nonprofit and community organizations in 165 countries. If you are looking for volunteer oppertunities, start here.

As a global organisation, Greenpeace focuses on the the most crucial worldwide threats to our planet's biodiversity and environment. They campaign to: Stop climate change, Protect ancient forests, Save the oceans, Stop whaling, Say no to genetic engineering, Stop the nuclear threat, Eliminate toxic chemicals & Encourage sustainable trade

Amnesty International (AI) is a worldwide movement of people who campaign for internationally recognized human rights.

Volunteer Latin America is a portal for voluntary work in Latin American countries. Take a look at the voluntary work guide and the projects page for more information.