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![](https://www.circleofblue.org/wp-content/uploads/2010/08/tar-sands-main-10001-1-495x400.jpg)
EPA and State Department Square Off On Tar Sands Pipeline
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Water use and greenhouse gas emissions are major concerns with oil interests plays.
![](https://www.circleofblue.org/wp-content/uploads/2010/08/tarsands-8_heather_1000-1-495x400.jpg)
Pipeline Ties Detroit Refinery to “Dirtiest Source of Fossil Fuels”
State department says oil is needed; Congress leader joins activists in raising concerns.
![](https://www.circleofblue.org/wp-content/uploads/2010/07/Michigan-Spill-1000.jpg)
Cleanup Under Way on Major Midwest Oil Spill
A Canadian company caused several previous spills and was cited for violations for a leaking pipe.