The Millennium Ecosystem Assessment (MA) is an international process designed to meet the needs of decision makers and the public for scientific information concerning the consequences of ecosystem change for human well-being and options for responding to those changes. Leading scientists from more than 100 nations will conduct the assessment, with oversight by a Board comprised of representatives of four international conventions, five United Nations agencies, international scientific organizations, and leaders from the private sector, NGOs, and indigenous groups. The MA is designed to meet s...