"Last month a virus broke out in several open water salmon farms in British Columbia that has the region’s fish farm owners scrambling to mitigate their losses."

"Within the next few decades, ocean acidification – an effect of global warming – could leave sea creatures along the West Coast unable to maintain their protective shells, according to a new study."

"The wasteful practice of throwing away healthy and edible fish at sea will be ended in Europe, for the first time in four decades, in a partial victory for environmental campaigners who have viewed a discards ban as the key step to preserving fish stocks. But -- crucially -- the date when such a ban will come into force is still in question, raising fears that it may be implemented too late to save some species."

"Whether or not fishermen should be permitted to throw away healthy fish at sea instead of selling them to consumers will come to a head at a crunch meeting of Europe's fisheries ministers on Tuesday."

"There is a 50 percent chance the feared El Nino weather pattern which can trigger droughts in Southeast Asia and Australia and floods in South America may strike later this year, the U.S. Climate Prediction Center warned on Thursday."

"In its strongest prediction so far that El Nino could emerge, the CPC said conditions are still expected to be neutral between June and August, but there is a 50 percent likelihood that El Nino will develop in the remainder of the year.

"A group of U.S. Democratic lawmakers on Thursday urged President Barack Obama to threaten Mexico with cuts in economic assistance if the southern neighbor continues to pursue a trade case that has put U.S. 'dolphin-safe' tuna labels at risk."

"BOISE, Idaho -- Sockeye entered the Columbia River in recent weeks, beginning a 900-mile migration that very nearly ended 20 years ago."

"VANCOUVER -- Atlantic salmon farms around Vancouver Island have begun testing and formed a special outbreak management team after a virus outbreak at one farm led to a site quarantine and the cull of more than half a million fish."