Mother Nature Network

Mother Nature Network – is the most visited for-profit website in the world for news and information related to sustainability. Founded in 2009 by former marketing executive Joel Babbit and Rolling Stones keyboardist Chuck Leavell, it is the flagship property of Narrative Content Group, whose equity partners include CNN and Discovery Communications. Wikipedia*

On the C-SPAN Networks:
Mother Nature Network has hosted 1 event in the C-SPAN Video Library; the first program was a 2011 Forum.