To meet the demands of farmers and the growing population of the south-western states, ambitious and hugely controversial schemes have long been floated for diverting Canadian rivers southward.

ECONOMIST: Canada??s water: Hands off | The

Though poor ocean conditions have been blamed for a nosedive in chinook salmon in Alaska this year, sockeye have done well, not only in the Columbia, but in Canadian and Alaskan rivers as well.

MSN: Record numbers of sockeye salmon return to Northwest - US news - Environment | NBC News

Now, they say the pilot program will enable them to systematically take out populations that are centered along the Canadian and Pecos rivers in eastern New Mexico, in the Bootheel and along the Middle Rio Grande, home to thousands of acres of irrigated farmland.

NPR: $1M Pilot Project Aims To Take Out Feral Pigs