experts are trying to measure world climatic consequences in...

experts are trying to measure world climatic consequences in such a minute window of the life of the planet....i would be very surpried if this would not lead to errors in judgement...eg if i were to point a imaingary light beam to say mars the nth degree in variance would make the beam miss......
I am for not poluting the world but hey was it green house created by us that formed the ice age...turned the once lush forrests of central aus into desserts....caused eruptions from below and flow with lava.....OR IS THIS THE PLANET GROWING CHANGING as it is alive and everything that lives evetually dies......