sludge you shouldn't generalise that all activists smoke green...
http://www.theage.com.au/world/greenpeace-boat-had-drugs-on-board-russia-claims-20131010-2v9ap.html
they also inject and smoke white things :)
i wonder if the boat they used to reach the oil platform was purely wind driven and the electricity on board was sourced from solar panels that were not made with oil products.
