Aquecimento Global.
Autor: Terra Verde | Publicado: 2010-09-27T19:39:00-07:00

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Semana Seis
Período: 08 a 14 de Setembro
Data: 10 de Setembro de 2010, Fonte: &nbsp;http://www1.folha.uol.com.br/ambiente/796614-aquecimento-de-13c-e-inevitavel-diz-pesquisa.shtmlNoticia: Aquecimento de 1,3°C é inevitável, diz pesquisa.O planeta vai esquentar, mas para os cientistas ele ainda não chegou aos patamares de aquecimento e emissões em que as conseqüências se tornam irreversíveis. O aumento de 1,3° C em relação ao período anterior à revolução industrial cerca de 0,5°C a mais que hoje.
Crítica:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; O que aconteceria se o homem parasse seu ritmo de expansão e nenhuma nova indústria de veículo capaz de emitir carbono fossem construídos? Ainda assim, a temperatura do planeta aumentaria 1,3°C, até 2060, em relação ao período pré-industrial.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A conclusão é de pesquisadores dos E.U A, que fizeram um dos mais detalhados levantamentos sobre emissões de carbono ligados à geração de energia e á estrutura de transportes. O planeta vai esquentar, mas para os cientistas ele chegou ao patamar de aquecimento? As conseqüências se tornaram irreversíveis, mas para os cientistas ele ainda não chegou ao patamar de aquecimento e sua concentração de carbono atmosférica, no mesmo período, deve ficar em 430 PPM (partes por milhão).
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Os resultados estão piorando é importante que nós façamos a coisa certa, ou seja, construir tecnologias que gerem energia com baixa emissão de carbono. Assim teremos motivos para comemorar.