Biological diversity of life on earth. This is generally viewed on three levels: ecosystem diversity, species diversity, and genetic diversity. For Henkel, responsible management of raw materials and the protection of natural resources and biodiversity are inseparably linked with the principles of sustainable development.
A charter on the principles of environmental management that was adopted at WICEM II, the Second World Industry Conference of Environmental Management, in Rotterdam in April 1991. WICEM II was organized by the International Chamber of Commerce (ICC) in collaboration with the United Nations Environment Programme (UNEP) and the United Nations Conference on Environment and Development (UNCED).