The court’s decision is likely to determine the future of thousands of lawsuits against Bayer, which manufactures the weedkiller, over similar claims.

The court’s decision could have broader implications for lawsuits seeking to hold companies liable for international human rights abuses.

The case could help determine the future of thousands of lawsuits against the maker of a popular herbicide over claims that it causes cancer.

The justices sided with Michigan officials, who have raised environmental alarms and pushed to decommission an aging section of the pipeline.