Action Without Borders - connects people, organizations, and resources to help build a world where all people can live free and dignified lives.

Ananda - community based projects in Himalayas combining ecotourism and voluntary work with social and ecological development

Archaeology Abroad uk - to provide information for opportunities overseas for archaeological fieldwork and excavation, outside the UK.

BTCV - in town and country, all over the UK and beyond, BTCV volunteers aged from under 8 to over 80 are making a real difference to their environment. Find out how to join them.

do-it - "giving time or volunteering is a fantastic thing, no question. However, in the past, actually doing it hasn't been as easy at could be. Which is why we've created do-it."

Down 2 Earth - is an international non-profit organisation, combining humanitarian and environmental issues to work towards a sustainable means of living.

Earthwatch - connects volunteers to practical projects.

Environment Job - UK website for jobs and volunteering opportunities in the environmental sector.

Millennium Volunteers - is a Government-funded initiative for young people. As an MV you volunteer your time to help others, doing something you enjoy. In short, use what you're into to help yourself and others.

National Centre for Volunteering - since 1973 the National Centre for Volunteering has been promoting excellence in volunteering in England .

Organic Volunteers - USA and Latin America network of educational opportunities in sustainability. Hundreds of internships, jobs, courses and more.

TimeBank - is a high profile national campaign to raise the awareness of the value of giving time and inspire a new generation of volunteers.

UNA Exchange - is a large and dynamic organisation, supporting many hundreds of people to gain amazing international experiences each year. The majority of our work is in Wales, but UNA Exchange volunteers travel to more than 50 countries to participate in local development projects alongside local people.

Volunteering England - works to promote volunteering as a powerful force for change, both for those who volunteer and for the wider community.

Volunteering Development Agency - news, volunteering opportunities, contact details and information on grants.

Working Abroad Projects - is a not-for-profit company established to provide small scale organisations with need-based support from volunteers. Good base of ecological and community-based projects.