Dans le quatrième rapport du GIEC, publié en 2007, on peut lire que le réchauffement climatique pourrait provoquer la disparition de nombreuses espèces:

Global Warming

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There is medium confidence that approximately 20-30% of species assessed so far are likely to be at increased risk of extinction if increases in global average warming exceed 1.5-2.5 °C (relative to 1980-1999). As global average temperature increase exceeds about 3.5 °C, model projections suggest significant extinctions (40-70% of species assessed) around the globe.

En 2013, le Dr. Chris D. Thomas affirme dans la revue Nature que le réchauffement climatique pourrait augmenter la biodiversité:

Human activity changes the environment, as last week’s release of a report by the Intergovernmental Panel on Climate Change reminds us. But not all change is bad. [...] Climate change tends to boost regional diversity, because diversity increases with temperature and precipitation, both of which are rising (on average, but not everywhere).

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Global Warming

Malgré ces contradiction n’oubliez pas que la science est définitive, que le débat est clos et qu’il y a consensus…

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