Hawking Sees 4 Threats that have Moved Doomsday Closer

Discussion in 'Intelligence & Machines' started by danshawen, May 9, 2017.

  1. StrangerInAStrangeLand SubQuantum Mechanic Valued Senior Member

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  3. StrangerInAStrangeLand SubQuantum Mechanic Valued Senior Member

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  5. TheFrogger Registered Senior Member

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    Global warming could be a myth. Records only began so long ago. Temperatures could have been higher before then.

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    It's relative.
     
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  7. StrangerInAStrangeLand SubQuantum Mechanic Valued Senior Member

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    Evidence in ground & ice cores strongly indicate weather & atmosphere conditions have very long cycles.
    The main issue is not whether global warming is a myth but what causes it.
    Even if the main causes are not due to humans, it is utterly ignorant & stupid to not try to minimize our negative contributions.

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  8. Write4U Valued Senior Member

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    That is true, but only for a fairly narrow range of temperatures. After a certain treshold of tolerable heat or cold is reached, any further change in temperature becomes irrelevant.

    There are organisms that can withstand extremes, like Tardigrades or Extremophiles but they are a long way from evolving into something but what they are. Mammals will be the first to go.
     

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