Membership & Awards
- IGBP/IHDP member and c-chair of Global Land Project
- Bren School Zurich Lecturer 2011
- Nobel Prize- as a member of Intergovernmental Panel on Climate Change 2007
- Ecological Society of America Governing Board, Member at Large 2005-2007
- Zayed International Prize for the Environment 2005
- Aldo Leopold Leadership Fellow elected in 1999
- Society of Range Management, intermittent since 1999
- American Geophysical Union, Life Member since 1990
- Ecological Society of America, Life Member since 1988
- American Association for the Advancement Science, since 1985