InsideClimate: Little evidence remains of the chaotic scramble to stop the massive oil spill that fouled Michigan's Kalamazoo River in the summer of 2010, yet the full effects of the calamitous accident will likely remain unknown for years. State environmental officials says it could be 2018 before they are ready to issue a final verdict on the damage done to the Kalamazoo after more than a million gallons of heavy crude oil poured into the river from a pipeline owned by Enbridge Inc [3]. At the same time, the...