Extreme heat and low rainfall in the Midwest this summer caused the river level to plummet, making it vulnerable to a saltwater “wedge” from the Gulf of Mexico.
The Dominican president said the military would enforce the measure on Friday morning. Experts warned the closure could deepen Haiti’s economic crisis.
The effects of a summer of environmental catastrophes were felt everywhere in Canada, from its vast boreal forests to a river on Vancouver Island once fished by Hollywood royalty.