On the C-SPAN Networks:
Denis Hayes is a Co-Founder for the Earth Day with seven 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 for the Earth Day Network. The year with the highest average number of views per program was 2017 with an average of 5,844 views per program. Most appearances with Bill Nye (2), John Passacantando (2). Most common tag: Environment.