While sustainable tuna fishing techniques such as pole and line may be good for the ocean and fish stocks, they could also be having an adverse affect on the planet, reports The New Scientist.
Fishing boats that target specific species, leaving others free to swim away, use more fuel than vessels intent on simply scooping up all the fish in their vicinity, said the publication.
Eco-labels and NGOs are primarily concerned with sustainable fishing methods that avoid decimating the fish population, and in reducing bycatch, said Brandi McKuin at the University of California Merced.
However,
