The United Nations Environment Programme (UNEP) was established by the UN General Assembly, following the 1972 Conference on Environment and Development, which took place in Stockholm. UNEP's mandate is:

"to provide leadership and encourage partnership in caring for the environment by inspiring, informing and enabling nations and peoples to improve their quality of life without compromising that of future generations."

Twenty years later, Agenda 21, was adopted at the 1992 United Nations Conference on Environment and Development in Rio de Janeiro, Brazil. Agenda 21 highlighted two of the needs in implementing the UNEP mandate as:

These needs are being addressed under UNEP's Environmental Assessment Programme, of which the Global Resource Information Database (GRID) network forms an integral part. GRID is a global network of co-operating centres, which facilitate access to environmental information. Activities include data collation, distribution, processing, cataloguing, presentation and dissemination through the use of remote sensing, Geographic Information Systems (GIS), data management systems, Internet, WWW and telecommunications technologies. End users comprise UN organisations, government and regional agencies, policy makers, scientific institutions, local managers and the general public. Key features of these activities include:

General Information about the UN and UNEP: