how much human activity causes global warming?

does anyone know how many % human causes global warming. with reliable source. or good work site.

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  • ?
    Lv 6
    1 decade ago
    Favorite Answer

    3% of the Co2 released is human made, most if from volcanoes, decaying plants, and nature itself

    proving we're not doing jack s*** to the planet really

    considering since global warming was suppose to kill us by the 90's according to a Times article written in 1978

    Source(s): been reading on the same subject
  • Anonymous
    1 decade ago

    90% of global warming that humans contribute is that of cutting trees down. global warming is just the planet going back to how it was before the ice age when dinosaurs were alive the glaciers been slowly melting since sky cleared up from the asteroid hittin the earth.

  • 1 decade ago

    seems like that every move we made cause by the global warming so probably 90%

  • Pace
    Lv 5
    1 decade ago

    Global warming is junk science, the new flavor of the decade. 15 years from now, no one will even remember it.

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  • 1 decade ago

    It is doubtful if we are causing global warming.

    See this interesting article:

    http://www.nationscrier.com/index.php?option=com_c...

  • 1 decade ago

    ok think about like this there's about 6.5+ billion people on this earth right

    well how many use gas powered equipment/vehicles etc

    do the math my guess is over 75%

    we are leading ourselves to extinction because it seems to me that every generation is un-noticeably getting worse in what they have to grow up in and with....

  • 1 decade ago

    95% so far soon we're doome

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