Clear the ocean of all of those pesky fish, and then we can put all sorts of cool things down there. Via the Independent:
The speed and rate of degeneration of the oceans is far faster than anyone has predicted; many of the negative impacts identified are greater than the worst predictions; the first steps to globally significant extinction may have already begun.
The world’s oceans are faced with an unprecedented loss of species comparable to the great mass extinctions of prehistory, a major report suggests today.
The seas are degenerating far faster than anyone has predicted, the report says, because of the cumulative impact of a number of severe individual stresses, ranging from climate warming and sea-water acidification, to widespread chemical pollution and gross overfishing.
The coming together of these factors is now threatening the marine environment with a catastrophe “unprecedented in human history”, according to the report, from a panel of leading marine scientists.
Not only are there severe declines in many fish species, to the point of commercial extinction in some cases, and an “unparalleled” rate of regional extinction of some habitat types, such as mangrove and seagrass meadows, but some whole marine ecosystems, such as coral reefs, may be gone within a generation.
The report says: “Increasing hypoxia [low oxygen levels] and anoxia [absence of oxygen, known as ocean dead zones], combined with warming of the ocean and acidification, are the three factors which have been present in every mass extinction event in Earth’s history.
Read the rest from the Independent
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