She is s a futurist and evolutionary economist, and founder/president of Ethical Markets Media in St. Augustine, Florida, as well as creator/co-executive producer of its TV Series – Ethical Markets TV (“Your gateway to Cleaner, Greener, 21^st Century Economies”). She is arguably the first person to seriously criticize obsolete industrial-era economics.

The books she authored include:

• Creating Alternative Futures: The End of Economics (1978, Foreword by E.F. Schumacher)
• The Politics of the Solar Age: Alternatives to Economics (1981)
• Building a Win-Win World (1995)
• The UN: Policy and Financing Alternatives (1995, co-edited with Harlan Cleveland and Inge Kaul),
• Ethical Markets Quality-of-Life Indicators (2000, with the Calvert Group)
• Planetary Citizenship (2004, with Daisaku Ikeda)
• Ethical Markets: Growing the Green Economy (2006)
• Mapping the Global Transition to the Solar Age (2014).

Henderson has published numerous articles and reviews, is an Honorary Member of the Club of Rome, and received the Waislitz Global Citizen Award in 1996.