Mark J. Plotkin is a ethnobotanist and a plant explorer in the Neotropics, where he is an expert on rainforest ecosystems. Plotkin is an advocate for tropical rainforest conservation. Wikipedia*
On the C-SPAN Networks:
Mark Plotkin has 24 videos in the C-SPAN Video Library; the first appearance was a 1990 Call-In as a Political Analyst for the WAMU-FM, Washington, DC. The year with the most videos was 1996 with five videos. The year with the highest average number of views per program was 2004 with an average of 496 views per program as a Political Analyst for the WTOP-Radio (Washington, DC). Most appearances with Steve Scully (6), Brian Lamb (3), Paul Orgel (3). Most common tags: Washington Politics, District of Columbia, History.