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Long Reads

Deeper reporting,
thinking made visible.

Longer essays and features from Science Blog. Pieces here go through additional research and review.

Earth & Environment

EPA completes eight-year cleanup of St. Louis River's contaminated sediment

On May 27, 2026, officials from the Environmental Protection Agency, the Minnesota Pollution Control Agency, and the Minnesota Department of Natural Resources gathered at Thomson Reservoir in Carlton, Minnesota, to mark the completion of sediment cleanup projects on the state's side of the St.

Sep 21, 2026