The pipeline operator is repairing damage to its supports caused by a sliding slope of permafrost, and installing chillers to keep the ground around it frozen.

Thawing permafrost threatens to undermine the supports holding up an elevated section of the Trans-Alaska Pipeline, jeopardizing the structural integrity of one of the world’s largest oil pipelines and raising the potential of an oil spill in a delicate and remote landscape where it would be extremely difficult to clean up.

Continued at source…


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