Just last month, Hwang invited him to the U.S. to direct Silver River at the Spoleto Festival, the country's biggest operatic gathering.

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My long-time friend Frank Giustra, founder of Silver Wheaton and Wheaton River (merged into Goldcorp), reminded us of this new reality in an op-ed piece for the Vancouver Sun last week.

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In eDNA testing of samples taken in 2011, a year earlier, researchers recorded a positive eDNA test of silver carp above the Coon Rapids dam on the Mississippi River, raising alarm that the fish were heading upstream faster than anticipated.

WSJ: Study finds Asian carp numbers low in Minnesota

They gathered aboard the Silver Whisper cruise liner moored for the occasion on the Neva River.

BBC: Putin rallies divided world leaders

Bighead and silver carp imported from Asia decades ago have infested the Mississippi River and many of its tributaries.

WSJ: Study: Asian carp unlikely to stow away in barges

Since we are fresh from the Diamond Jubilee celebrations, and the Thames River pageant it is worth reminding ourselves of what has been lost since the 1977 Silver Jubilee.

BBC: Jubilees show UK's declining ability to protect itself