atlantic

Oxygen Loss in Canada Linked to Climate Change

Oxygen Loss in Canada Linked to Climate Change

By Tim Radford Oceanographers have identified an act of slow suffocation, as oxygen loss grows near one of the world’s richest fishing grounds, and are linking the change to human-triggered global warming. They have measured a dramatic drop in levels of dissolved oxygen deep in the Gulf of St Lawrence, in eastern Canada, and they […]

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    Oxygen Loss in Canada Linked to Climate Change

    Oxygen Loss in Canada Linked to Climate Change

    By Tim Radford Oceanographers have identified an act of slow suffocation, as oxygen loss grows near one of the world’s richest fishing grounds, and are linking the change to human-triggered global warming. They have measured a dramatic drop in levels of dissolved oxygen deep in the Gulf of St Lawrence, in eastern Canada, and they […]

    On World Tuna Day, Let’s Fix Oversight of Tropical Species

    On World Tuna Day, Let’s Fix Oversight of Tropical Species

    By Rachel Hopkins Tropical tuna species—skipjack, bigeye and yellowfin tunas—are important economic assets for coastal communities across the globe, and even far from the ocean they are a favorite on supermarket shelves and in sushi bars. These three species—together worth close to $40 billion annually at the final point of sale—prompted eight Pacific island countries […]

    Slow Motion Ocean: Why Are North Atlantic Currents Weakening?

    Slow Motion Ocean: Why Are North Atlantic Currents Weakening?

    By Alex Kirby The Gulf Stream is slowing, the North Atlantic is cooling. An international scientific study has found new and harder evidence that one of the planet’s key heat pumps, the currents which exchange warmth between the tropics and the Arctic, are weaker today than at any time in the last thousand years. The […]

    Eyeing Trump, Obama Bans Arctic Drilling

    Eyeing Trump, Obama Bans Arctic Drilling

    By Steve Horn President Obama announced Tuesday what amounts to a ban of offshore drilling in huge swaths of continental shelf in both the Alaskan Arctic Ocean and Atlantic Ocean, a decision which came after years of pushing by environmental groups. Using authority derived from Section 12(a) of the Outer Continental Shelf Lands Act, the […]