PARIS — With the Paris Olympics less than two weeks away, a question hangs over the Games: Will the Seine River be clean enough for athletes to swim in? Triathlon and marathon swimming are ...

vowed to make the Seine swimmable as far back as 1988. But the plans were shelved for a long time. Work finally began in 2016. To clean up the river, authorities invested £1.2 billion in building ...

The Seine River is supposed to host swimming events ... The government has spent nearly $1.5 billion trying to clean it up by fixing old pipes, limiting the amount of untreated wastewater going ...

Reasons to be Cheerful reports on river Seine, the storied French waterway that was once nearly biologically dead but is not ...