SOMETIMES the “few” must suffer to protect the many. Tens of thousands of fish were poisoned last week in a drastic attempt to keep invasive Asian carp out of the Great Lakes.
Officials poured more than 8000 litres of the fish poison into a 9-kilometre stretch of the Chicago Sanitary and Ship Canal, which links the Mississippi river and Lake Michigan, during maintenance work on a barrier that normally keeps invaders at bay using electric shocks.
It is feared that if the voracious bighead and silver carp are not kept out, they will out-compete the native species crucial to…
