Robert Engelman is an American author and former journalist who writes about the environment and population and serves as President of the Worldwatch Institute. His book 'More: Population, Nature, and What Women Want' was published in 2008. Wikipedia*
On the C-SPAN Networks:
Robert Engelman has five videos in the C-SPAN Video Library; the first appearance was a 1987 Call-In as a Correspondent for the Scripps Howard News Service. The year with the highest average number of views per program was 2012 with an average of 541 views per program.