Recently, in Doon, Iowa, 230,000 gallons of crude oil spilled into a flooded Little Rock River from a train derailment, endangering drinking water supplies. This spill will impact the lower Big Sioux and Missouri rivers. As emergency crews work to clean up the spill and mitigate any further damage, it is important to understand the negative impacts of our current energy supply. Is oil worth more than our drinking water? Would wind or solar power cause the same damage? Read more about this spill at the Argus Leader.