ECO-UNESCO is Ireland's Environmental Education and Youth Organisation, affiliated to the World Federation of UNESCO Clubs, Centres and Associations (WFUCA).

ECO-UNESCO develops and runs programmes for young people on a broad range of environmental issues through schools, youth organisations, community groups or local authorities.

These programmes include: environmental events and activities, environmental workshops, a National Youth ECO-Forum, the Young Environmentalist Awards, ECO-UNESCO Clubs, ECO-Youth Choices and Youth for Sustainable Development Peer Education Programmes.