Fishermen in Alaska and elsewhere are trying to bring more attention to the impacts that trawlers are having on our marine resources.

Over the past decade, it's become more difficult for commercial halibut fishermen off Alaska's coasts to catch enough to meet their quotas, as the flat whitefish have become less abundant and smaller.

The netting is designed to act as a barrier to orcas while still allowing fish to pass over, under or through the broad gaps ...