His research is centered on the theory and practice of ecological management. He is interested in the ecological dynamics of human dominated ecosystems, and understanding the dynamics of social-ecological systems.
He is a member of the Resilience Alliance, and a coordinating lead author for the Millennium Ecosystem Assessment.
He is also the book review editor for Ecology and Society, and maintains a weblog on Resilience Science. In collaboration with MSE students He has set up a Wiki for the MSE.