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It matters because if we are the reason, we can do something about it. Or we can ignore it and say "Meh, let them move." Move to, like, your city?
At any rate, the Earth warms and cools in cycles, so what does it matter if humans are the reason, this time around?
Did not the Paris Climate Conference agree to set a goal on limiting global warming to less than 2 degrees celusius?
No, not really. The planet is warming and that is a change. Nothing very confusing about it. The effects of that change will have varying effects on climate and other things which will have profound effects on civilization.
It gets confusing if it is global warming,cooling or just change.
originally posted by: kix
Its not man made is the sun:
/end of thread
Berkeley Earth compared the shape of the gradual rise over 250 years to simple math functions (exponentials, polynomials) and to solar activity ( known through historical records of sunspot numbers ), and even to rising functions such as world population. Richard Muller, Founder and Scientific Director of Berkeley Earth, notes “Much to my surprise, b y far the best match was to the record of atmospheric carbon dioxide, measured from atmospheric samples and air trapped in polar ice . ” He emphasizes that the match between the data and the theory do esn’t prove that carbon dioxide is responsible for the warming, but the good fit makes it the strongest contender. “ T o be considered seriously, an y alternative explanation must match the data at least as well as does carbon dioxide.” In its 2007 report the IPCC concluded only that “ most ” of the warming of the past 50 years could be attributed to humans. It was possible, according to the IPCC, that increased solar activity could have contributed to warming prior to 1956 . Berkeley Earth analyzed about 5 times more station records than were used in previous analyses, and this expanded data base along with its new statistical approach allowed Berkeley Earth to go about 100 years farther back in time than previous studies. By doing so, the Berkeley Earth team was able to conclude that over 25 0 years, the contribution of solar activity to global warming is negligible.
originally posted by: fernalley
a reply to: gortex
Did not the Paris Climate Conference agree to set a goal on limiting global warming to less than 2 degrees celusius? It gets confusing if it is global warming,cooling or just change.
Our province just signed on to agenda of carbon taxes on fuel. Should make for a more expensive way of life but ,hey, we are green now..I guess