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brown clouds and climate change
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Mark Cedolin

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Too often when faced with the subject of climate change is perceived impression all the attention being wrongly focused exclusively on emissions of carbon dioxide, CO2 pollution was almost solely responsible for the climatic upheavals with which we are and will increasingly have to confrontarci.Oltre in abnormal quantities of carbon dioxide, "mega" we call progress instead produces a huge following of poisons that contribute in varying degrees, either directly or indirectly, to exacerbate climate change currently underway.

Very interesting in this regard are the results of a study conducted within the framework of the UN Environment Programme, concerning the effects of dark clouds dark clouds atmosferiche.Le, according to the present study, especially in Asia, but also in North America and Europe, including the Po Valley, are essentially huge clouds formed by the combustion of fossil fuels, which darken the sky of the big cities for long periods year. These clouds, generated by human activity, are charged particles and particle pollution of any kind and come in some cases to reach 3 km in thickness, resulting in a series of very important consequences for climate.

According to the results of the study, such clouds as well as having a heavy impact on air quality and agriculture, increasing the risk sanitari ed alimentari per 3 miliardi di persone nel mondo, costituiscono una sorta di scudo che riflette la luce solare, diminuendo la quantità delle piogge e contribuendo al riscaldamento dell’atmosfera, mentre al contrario il suolo tende a raffreddarsi in virtù del diminuito irraggiamento solare.

In alcune grandi metropoli come Pechino, Shanghai e New Delhi dal 1970 ad oggi si è riscontrato un calo della luminosità superiore al 20%. Nel sud est asiatico dal 1950 ad oggi le precipitazioni monsoniche sono diminuite del 7%, mentre risultano raddoppiati i fenomeni meteorologici estremi. Più in generale la presenza delle nubi brune sembra incidere pesantemente determinando anomali mutamenti delle temperature e of precipitation which added to the consequences of the accumulation of CO2 in the atmosphere will be g rarely produce potentially catastrophic effects, the scope of the current state of research is not yet defined.

If the dynamics of interaction between the various elements that generate climate change have not been eviscerated in their entirety (if they can be in the future) appears instead of a diamond-clear identification of the only road that can provide a remedy (if there is still time to do it) to the impending catastrophe. A substantial decrease in the incidence of technosphere biosphere (instead of increasing it as we are continuing to do), trying to recover, at least in part, the balance that we lost and we are losing and forcing us to preserve at least that part of the environment that has not yet been irreversibly destroyed.
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Marco Cedolin ( taken from http://ilcorrosivo.blogspot.com/2009/01/nubi-brune-e-mutamenti-climatici.html - http://www.terranauta.it/nt/ecoart.php?id=560 )