Respectfully, Greenpeace (a letter to David and Charles Koch)

Video | April 8, 2010

Greenpeace delivers a letter to oil billionaires David and Charles Koch, seeking a response to unanswered questions and an opportunity for an "intellectually honest debate."

Read more in Greenpeace's report, "Koch Industries: Secretly Funding the Climate Denial Machine" http://www.greenpeace.org/kochindustries