Seas in alarming state of decline, says WWF
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The WWF environment group attacked "disjointed management" and "inappropriate planning" for what it called the alarming state of decline of the waters around Britain's 12,400 miles of coastline.
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Cities around the world are facing the danger of rising seas and other disasters related to climate change.
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The scalloped hammerhead shark is being pushed towards the brink of extinction, say experts.
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Removing salt from sea water to overcome  a worldwide shortage of drinking water could end up worsening  the crisis, environmental group WWF warned on Tuesday.
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Damage to the environment could soon pass a point of no return, according to a major report from the U.N.
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Environmentalists fear a maritime disaster if a beached coal freighter in eastern Australia breaks up.
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Stocks of bluefin tuna are disappearing from the Mediterranean, the environmental group WWF has warned.
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Scientists witness vast swathes of marine life collapse in "dead zones" off the east coast of the US.
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Urgent action is needed to prevent further declines in albatross and petrel populations, wildlife groups recommend.
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Only 4% of the world's oceans remain untouched by human activity, a study shows.
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The oceans are absorbing carbon dioxide that has built up in the air, turning water more acidic and creating potentially catastrophic conditions for marine life.
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A model of the North Sea's ecosystem suggests the total fish stock has dropped from 26 million tonnes to 10 million tonnes in just over a century.
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Europe's seas face a bleak future from development, overfishing and pollution from agriculture, scientists warn.  The northeast Atlantic Ocean and the Black, Baltic and Mediterranean seas are in serious decline and will deteriorate further if action isn't taken, the marine scientists said.
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Sea level rise projections are under-estimating the impact of climate change on the oceans, a study suggest.
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A new map of human impacts on marine ecosystems shows that more than half of the world's ocean area has already been profoundly affected by humans -- and just four percent is still in pristine condition.
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Major shifts in the British marine environment are being partially driven by climate change, according to a new report.
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Heathland species are in danger of extinction because of poor habitat, conservationists warn.