We need a definition of 'sustainability', says Christopher Meyer, who goes on to offer one:
'An activity is sustainable when all costs are internalized.'
When magpies attack: the swooping, dive-bombing menace – and how to avoid them
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In an excerpt from his book on Australian birdlife, *Geoffrey Maslen *finds
there’s method in magpies’ madness
Hostilities have broken out up and down th...
2 hours ago
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