The Fight for British Columbia's (Canada) Salmon

Biologist and orca researcher Alexandra Morton has had her attention turned to the fast-depleting salmon stocks of British Columbia, Canada for the past 10 years. Local salmon farming practices have been negatively impacting wild Fraser River sockeye salmon populations. Amongst other issues, salmon farms promote the spreading of disease, one of which (the salmon anemia virus) could "have a deep impact on survival of salmon in the Pacific Northwest". And what do resident ORCA of the Pacific Northwest eat? SALMON! 

http://thetyee.ca/News/2012/08/31/Alexandra-Morton-Fight/