Board Service
- Board of Directors, International Consortium of Environmental History Organizations. 2019 – the present.
- Board of Directors, Greenpeace International. 2015 – 2021.
- Board of Directors, The Illuminate Consulting Group. 2010 – present.
- Board of Directors, International Media Project (Producers of Making Contact). 2000 – 07.
- Board of Directors, Pesticide Action Network, North America (PANNA). 1997 – 1999.
- Vice President of the Board. 1999 – 2000.
- President of the Board, 2001 – 02.
Service to Civic Committees
- Content Review Expert, History–Social Science Text Book Panel, State of California, 2017.
- Charter Member, The Indus Entrepreneurs (TiE), Silicon Valley, 2009 – 10.
- Member. Santa Cruz Green Building Committee. 2003 – 6.
Select Non-Profit Service
- Co-founder and core group member of the Bhopal Group for Information and Action. 1996 – 8.
- Core-group member of the Indian Environmental Action Group, Kalpavriksh, 1981 – 88.