'The International Union for Conservation of Nature' (IUCN) is an international organization which is working in the field of nature conservation and sustainable use of natural resources.
It is involved in data gathering and analysis, research, field projects, advocacy, lobbying and education.
IUCN has a membership of over 1200 governmental and non-governmental organizations.
Some 11,000 scientists and experts participate in the work of IUCN commissions on a voluntary basis. It employs approximately 1000 full-time staff in more than 60 countries. Its headquarters is in Switzerland.