There is a twice daily (bi-directional) mass movement of water through Hudson Strait (ocean tides) that could help maintain a clean marine environment at enclosures such as fish farms. There are several channels inside Hudson Strait where undersea marine turbines may be installed to generate electric power (an estimated 30,000 MW) from the ocean tides that move between the North Atlantic Ocean and Hudson Bay. It could be used to serve local needs and some of it could be used to generate hydrogen for export to markets in Europe. A portion of that power could be pumped into hydraulic storage at a few hydroelectric dams in Quebec. Warmer northern waters will provide opportunity to generate large amounts of power from ocean tidal currents.

          The Northern Canadian fishing industry could supply the growing market demand for omega-3 fish oil (after the oceans become depleted of fish). It is likely that private companies could raise fish species in Northern waters that are high in omega-3 oil (it is an essential oil/fat that sustains the health of the human heart). Suitable cool (cold) water fish species could be commercially raised in and around Ungava Bay, Foxe Basin, Hudson Bay and Hudson Strait. The list could include krill, cod, salmon and perhaps sardines. Warmer headwaters of several northern rivers that flow into Hudson Bay could become suitable spawning grounds for some species of salmon.

          Warmer weather and warmer water in northern Canada could attract some fish species from more southerly locations to migrate northward to locations that could include Hudson Bay. A subtropical climate once existed in Northern Canada and the eventual presence of fish from southern locations in Northern Canadian waters may occur quite naturally. It could recreate a marine ecosystem that once existed there several millennia ago. Aquaculture companies that build and install artificial reefs in Northern Canadian waters could develop a viable marine industry that could simultaneously serve market needs while it coexists within an evolving marine ecosystem. Industries that prepare fish and fish products for market could be developed around the towns of Churchill, Manitoba, and Moosonee, Ontario.

          The development of a Northern Canadian aquaculture industry would best be undertaken in a regulatory-free environment. Canada's federal government has regulated the East Coast cod fishing industry into virtual extinction. That result indicates that the federal government could best benefit the development of a new northern marine industry by allowing laissez-faire economics to prevail while it upholds and protects private property rights. Such an approach could create a viable industry as well as a sustainable marine ecosystem. The well-being of that marine ecosystem would be essential to sustain the viability of the private aquaculture industry.

          Such an industry could be developed in Northern Canada in the absence of state regulation and without any partnership with any government. The federal government could benefit from such development by seeking to change the word "Strait" to "Channel" as it applies to some northern water passages. Foreign vessels would no longer have a right of passage through some of these channels. Canada's armed forces may subsequently stand on guard at the entrances to certain bodies of waters in Northern Canada to assert Canadian sovereignty (which is actually an appropriate role for government). Hopefully by that time Canada's armed forces would no longer be on duty in Afghanistan and be available to attend to domestic matters.