70,000 gallons of crude oil were spilled in Wisconsin. Here's what caused it
Briefly

"Investigation and remediation began immediately upon discovery and continues. Removal of impacted soils is continuing," spokesperson Juli Kellner said Saturday, adding that 60% of the spill has been removed through excavation.
"We are working with the Wisconsin Department of Natural Resources as cleanup and restoration proceed," Kellner said. The line likely was leaking for an "extended period of time."
Critics noted the spill was discovered during the same week that Wisconsin regulators approved the first permits for Enbridge's plan to move the aging Line 5 pipeline.
Opponents said it would still threaten the region's watershed and perpetuate the use of fossil fuels.
Read at Fast Company
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