NRC Handelsblad, 27 oktober 2010
Zie ook:
Royal Society: 'There are very strong indications that the current rate of species extinctions far exceeds anything in the fossil record.'
Door Joe Romm, Climate Progress, 9 november 2010
'Never before has a single species driven such profound changes to the habitats, composition and climate of the planet.'
27 oktober 2010
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