Cause and effect

Article Abstract:

Marine researchers are lamenting the adverse effects of causeways and dams in Canada's Maritime provinces. Built in the 1950s and the 1960s, these structures have been impeding river flow and disrupting watersheds. They are also obstructing the migration of fish which travel up the rivers to spawn.

Dams, Maritime Provinces, Causeways

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Farming the oceans

Article Abstract:

Canada's aquaculture industry is recently thriving as fishermen seek alternative means of meeting the increased demand for low-cost premium fishes. However, environmentalists warn anglers to be cautious of the impact of salmon and shrimp aquaculture to the environment.

Canada, Fishing, Fishing (Recreation), Aquaculture

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Nature Inc.: can the natural environment survive a corporate takeover of the world's food supply?

Article Abstract:

Some government entities, corporations and universities are promoting genetic engineering or transgenics for consumer benefit, particularly for food supply. However, the process is being actively opposed due to questions of safety and of natural preservation.

Biotechnology industry, Biotechnology industries, Ethical aspects, Genetic engineering, Public opinion

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