What might an indigenous perspective add to this evaluation of the projected pipeline?

Consider the following situation: The United States government wants to put down an oil pipeline through American Indian land. The land includes rivers, lakes, marshes, and is generally undeveloped. These include lots of vegetation and animals, including a very rare salamander. Parts of this land is deeply historically and spiritually important to the Sioux people. Building the pipeline will mean the outright destruction of much of that land, alteration to much more, and the pipeline will certainly spill, as all pipelines do.
What are some moral reasons in favor ofbuilding the pipeline?
What are some moral reasons against building the pipeline?
What might an indigenous perspective add to this evaluation of the projected pipeline?

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