On the C-SPAN Networks:
Denis Hayes is a Co-Founder with five videos in the C-SPAN Video Library; the first appearance was a 1997 Forum as a President for the Bullitt Foundation. The year with the most videos was 2001 with two videos as a Chair. The year with the highest average number of views per program was 2017 with an average of 5,583 views per program. Most appearances with Bill Nye (2), John Passacantando (2). Most common tag: Environment.