Are We Headed For Near-Term Human Extinction?

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Source: Now Toronto Recent studies suggest it is irresponsible to rule out the possibility after last week’s “warning to humanity” from more than 15,000 climate change scientists Shifts in climate can be exponential, abrupt and massive due to “feedbacks,” which can amplify and diminish the effects of global warming. A “warning to humanity” raising the spectre “of potentially


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