BBC News (excerpts):  The oceans are in a worse state than previously suspected, according to an expert panel of scientists.  In a new report they warn that ocean life is "at high risk of entering a phase of extinction of marine species unprecedented in human history."  They conclude that issues such as over-fishing, pollution and climate change are acting together in ways that have not previously been recognized.  The impacts, they say, are already affecting humanity.  The panel was convene...
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