LDR 100 ‡aJoshua Kahn 100 ‡aStephen D'Arcy 100 ‡aTony Weis 100 ‡aToban Black 100 ‡aNaomi Klein 100 ‡aBill McKibben 245 ‡aLine in the Tar Sands: Struggles for Environmental Justice‡cJoshua Kahn, Stephen D'Arcy, Tony Weis, Toban Black, Naomi Klein, Bill McKibben