"There is definitely something going on that's affecting people on the Canadian side of the river, " he said.

WSJ: Canadians Make a Racket Over Mysterious 'Windsor Hum'

Writers Lisa Song, Elizabeth McGowan and David Hasemyer were recognized for a project that began with an investigation into a million-gallon spill of Canadian tar sands oil into the Kalamazoo River in Michigan in 2010.

WSJ: Online nonprofit InsideClimate News wins Pulitzer

The great river of wind that flows from Texas to the Canadian border is one of the finest renewable energy reserves in the world and the American Wind Energy Association estimates that it could power America twice over.

BBC: Ranchers driving wind revolution

Google will pay the Oklahoma utility, Grand River Dam Authority, a premium for the electricity generated by the Canadian Hills Wind Project when it comes online this year.

FORBES: Google Signs Utility Deal To Power Data Center With Wind Energy

If U.S. officials don't help find a solution, "there will be a lot of upset people, " said Brian Masse, a Canadian New Democratic Party member of parliament, whose Windsor constituency sits across the river from Zug Island.

WSJ: Canadians Make a Racket Over Mysterious 'Windsor Hum'

Canadian Virginia Bennett, who lives in one of the residential apartments facing the River Thames, was getting ready to take her dog Abby for a walk when the morning calm was shattered by "the noise of metal crashing".

BBC: London helicopter crash: 'Flaming debris' over Vauxhall

Inspectors are working to find out whether the disintegration on Thursday of the heavily used span over the Skagit River, 60 miles north of Seattle and 40 miles south of the Canadian border, was a fluke or a sign of bigger problems.

NPR: NTSB Says Wash. Bridge Collapse Is Wake-Up Call