  == Monsanto starving butterflies ==  Monsanto sells a pesticide which kills milkweed, the only food source for the larvae of Monarch butterflies.  *http://e360.yale.edu/feature/tracking_the_causes_of_sharp__decline_of_the_monarch_butterfly/2634/ *Roundup-ready crops killing habitat of monarch butterflies *Two-way Monarch Migration Map | Monarch Watch Blog *In Midwest, Monarch Butterflies’ Flutters May Be Far Fewer - NYTimes.com *http://www.flightofthebutterflies.com/conservation-preservation/ *The Monarch Butterfly Decline, and What You Can Do About It | Cool Green Science *http://insects.about.com/b/2013/03/18/monsanto-milkweed-and-the-declining-monarch-migration.htm —  