Launched in June 2001 and involving more than 1,300 leading scientists from 95 nations, the Millennium Ecosystem Assessment (MA) is a ground-breaking study on how humans have altered ecosystems, and how changes in ecosystem services affect human well-being, both now and in the future. Integrating findings at the local, regional, global scales and from alternative intellectual traditions, the Millennium Ecosystem Assessment offers the first truly comprehensive picture of the health of the planet. This five-volume set, comprising four technical volumes and one summary volume, provides an Indispensable baseline of information for researchers, scholars, and students, as well as inform public decision-making for decades to come. Books in the Five-Volume Set Include: Ecosystems and Human Well-being: Current State and Trends, Volume 1 Ecosystems and Human Well-being: Scenarios, Volume 2 Ecosystems and Human Well-being: Policy Responses, Volume 3 Ecosystems and Human Well-being: Multiscale Assessments, Volume 4 Ecosystems and Human Well-being: Our Human Planet - Summary for Decision Makers, Volume 5