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Can We Avoid A Mass Extinction like the Dinosaurs went through?

TOREY 2012/05/30 01:30:53
Of course we can Science Rules!
Never, destruction is imminent
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250 million years ago, 90% of the plants and animals on earth were
completely wiped out. It has been debated how long it took the earth to
recover from the wipeout. But new evidence points to the fact that it
took 10 million years.



According to China University of Geociences’ Dr. Zhong-Qiang Chen and
University of Bristol’s Michael Benton, the bounce-back was delayed by
the intensity of the destruction and the continuing poor conditions
after the event. The reasons for the crisis were a combination of global
warming, acid rain, ocean acidification and ocean anoxia.



For five to six million years after the crisis, conditions on earth
were pretty bad, off and on—with some of the same types of issues that
ruined most of life on earth. Some animals were able to recover even
through the poor conditions, but permanent ecosystems took much longer
to restart.



The first systems that recovered included crabs and lobsters, along
with other marine reptiles. It is pretty amazing that millions of years
later, re-setting evolution. But it is pretty frightening that the
reasons why life was wiped out before are starting to sound familiar
these days. Hopefully, with more knowledge of this old crisis, we will
be able to prevent a new one.




Photo Credit: All rights reserved by brandmatt (via flickr)

Read More: http://cosmofunnel.com/blog/2012/05/28/new-evidenc...

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  • seattleman 2012/05/30 22:24:34
    Never, destruction is imminent
    seattleman
    No.
  • Icarus 2012/05/30 10:19:26
    Of course we can Science Rules!
    Icarus
    +2
    In theory, yes - if we stopped burning fossil fuels today, global warming would stop in just a few years... but of course we can't do that because civilisation relies on it, and billions would die without the energy from coal, oil and gas. The only question is how much more fossil carbon we put into the atmosphere before climate chaos destroys civilisation and decimates the population enough to make our emissions negligible. if we managed to burn a large proportion of the coal, tar sands, oil shale etc. before that happens, then things are likely to get very bad indeed.
  • Radical Ed 2012/05/30 05:30:35
    Of course we can Science Rules!
    Radical Ed
  • TOREY Radical Ed 2012/05/30 16:05:52
    TOREY
    LMOA!
  • Gracie - Proud Conservative 2012/05/30 01:34:11
    Of course we can Science Rules!
    Gracie - Proud Conservative
    I'm not a doomsdayer but you can't change much of anything...I think George Carlin said it best.

  • TOREY Gracie ... 2012/05/30 16:06:05
    TOREY
    RIP

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