Ambiente - "Uma verdade inconveniente"

Tópicos de discussão sobre actualidade política (e não só...)

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rhinosaur
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Re: Ambiente - "Uma verdade inconveniente"

Post by rhinosaur » Mon Jan 15, 2018 10:58 pm

Eu já estou em guerra contra os plásticos já há bastante tempo, mas é uma luta constante e muitas vezes inglória. Por exemplo, uma vez no Continente do Alameda Shopping levei um cacho de bananas para pesagem e coloquei-o directamente no prato da balança. Pedi à funcionária para colar a etiqueta directamente mas ela disse que não podia, que tinha de ser num saco de plástico. :hmm:
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JoãoPM
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Re: Ambiente - "Uma verdade inconveniente"

Post by JoãoPM » Thu Feb 22, 2018 12:14 pm

https://www.dn.pt/sociedade/interior/fl ... 36012.html
Num editorial publicado hoje na revista Science Advances, os investigadores norte-americano Thomas Lovejoy e brasileiro Carlos Nobre asseguram que a desflorestação da Amazónia alcançou cerca de 17% da sua vegetação nos últimos 50 anos e advertem que, chegar ao limite de 20%, seria chegar ao abismo climático.

A área amazónica produz aproximadamente metade da sua própria precipitação pluvial ao reciclar a humidade à medida que o ar se move desde o Oceano Atlântico, através da América do Sul, até ao oeste.

Esta humidade é importante para alimentar o ciclo de água da Terra de forma mais ampla, e afeta o bem-estar humano, a agricultura, as estações secas e o comportamento da chuva em muitos países da América do Sul, advertem os especialistas.
O ser humano nunca aprende.
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prl
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Re: Ambiente - "Uma verdade inconveniente"

Post by prl » Wed Apr 04, 2018 11:26 pm

https://www.euractiv.com/section/energy ... -isolated/
Portugal breaks 100% renewables mark but remains isolated

Portugal produced more power from clean energy sources in March than it actually needed, marking the first time in the 21st century that renewables have topped 100% of its production. But a dearth of energy connections with the rest of Europe remains problematic.

(...)
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Image Image

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rhinosaur
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Re: Ambiente - "Uma verdade inconveniente"

Post by rhinosaur » Thu Apr 19, 2018 11:24 pm

Bye by, La Niña. Hello, El Niño!
Earth’s climate went kind of schizo in March
A shark-shaped, climate-shifting blob of warm water — as wide as the Pacific Ocean — is rising from the depths
Image
http://blogs.discovermagazine.com/image ... e-depths/#
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prl
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Re: Ambiente - "Uma verdade inconveniente"

Post by prl » Fri Apr 20, 2018 10:01 am

Pronto, aí tens o argumento para o Sharknado 7 :P
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Image Image

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edward III
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Re: Ambiente - "Uma verdade inconveniente"

Post by edward III » Fri Apr 20, 2018 10:36 am

prl wrote:
Fri Apr 20, 2018 10:01 am
Pronto, aí tens o argumento para o Sharknado 7 :P
:lol:
Image 04.09.2006Image 05.09.2006 Image07.09.2006 Image20.09.2006
Image08.06.2007 Image 18.06.2007Image 21.06.2007
Image11.08.2009 Image 13.08.2009Image 15.08.2009Image 17.08.2009Image 18.08.2009
Image30.06.2010 Image 10.07.2010
Image 26.06.2012 Image 27.06.2012
Image 03.08.2012 EV
Image 15.06.2014 Image 16.06.2014 Image 25.06.2014 Image 26.06.2014
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rhinosaur
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Re: Ambiente - "Uma verdade inconveniente"

Post by rhinosaur » Sat Apr 21, 2018 12:00 am

prl wrote:
Fri Apr 20, 2018 10:01 am
Pronto, aí tens o argumento para o Sharknado 7 :P
LOL como é que não me ocorreu!
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Last Soldier
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Re: Ambiente - "Uma verdade inconveniente"

Post by Last Soldier » Sun May 06, 2018 11:51 pm

Image

“Despojos de uma manifestação. A foto foi tirada ontem (1 de Maio), ao fim da tarde, no cruzamento da Av. Guerra Junqueiro com a Alameda, Lisboa.”
Image 04.09.2006 Image 05.09.2006
Image 08.06.2007
Image 18.08.2009
Image 10.07.2010
Image 26.06.2012 Image 04.07.2012 Image 05.07.2012 Image 03.08.2012 (EV)
Image 11.07.2014 Image 18.07.2014 (EV)
Image 12.06.2018 Image 01.07.2018 Image 05.07.2018 Image 14.07.2018
:nocode:


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rhinosaur
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Re: Ambiente - "Uma verdade inconveniente"

Post by rhinosaur » Mon May 07, 2018 12:02 am

Ridículo.
pearl jam 1996 Image 2000 Image Image Image Image Image Image Image Image Image 2006 Image Image 2007 Image Image 2008 Image Image Image Image Image Image 2009 Image 2010 Image Image Image Image Image 2011 Image Image Image Image Image 2012 Image Image 2018 Image Image Image Image Image
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prl
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Re: Ambiente - "Uma verdade inconveniente"

Post by prl » Mon May 07, 2018 12:16 am

lol nem sequer fazem separação :P
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Image Image

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JoãoPM
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Re: Ambiente - "Uma verdade inconveniente"

Post by JoãoPM » Mon May 07, 2018 11:00 am

Fds, que idiotas.
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tremor_christus
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Re: Ambiente - "Uma verdade inconveniente"

Post by tremor_christus » Mon Jun 11, 2018 3:13 pm


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JoãoPM
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Re: Ambiente - "Uma verdade inconveniente"

Post by JoãoPM » Thu Jun 14, 2018 11:22 am

https://www.publico.pt/2018/06/13/cienc ... 92-1834154
Se quisermos perceber o efeito das alterações climáticas no planeta, a camada de gelo na Antárctida é um indicador crucial. Esta quinta-feira num artigo científico na revista Nature surgem novos números sobre esse indicador: a Antárctida perdeu cerca de três biliões de toneladas de gelo entre 1992 e 2017, o que corresponde a uma subida do nível médio do mar de cerca de oito milímetros. Além disso, esta edição da Nature traz mais quatro artigos que exploram diferentes aspectos do passado, do presente e do futuro desta região. Num deles, uma equipa de cientistas – na qual participa o português José Xavier – traça dois cenários (um mais pessimista e outro mais optimista) para o continente e oceano Antárctico em 2070.

(...)

Mas há um aspecto ainda mais preocupante: “Podemos dizer com confiança que a perda de gelo triplicou desde 2012.” Antes de 2012, a perda era de 76 mil milhões de toneladas por ano, ou seja, o nível do mar aumentou 0,2 milímetros por ano. Já entre 2012 e 2017 houve uma diminuição de 219 mil milhões de toneladas de gelo por ano, havendo assim uma subida no nível do mar de 0,6 milímetros por ano.
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prl
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Re: Ambiente - "Uma verdade inconveniente"

Post by prl » Thu Jul 19, 2018 12:13 am

Suécia com temperaturas record e os maiores incêndios em 12 anos. E nós com este tempo.
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Image Image

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rhinosaur
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Re: Ambiente - "Uma verdade inconveniente"

Post by rhinosaur » Thu Jul 19, 2018 12:13 pm

prl wrote:
Thu Jul 19, 2018 12:13 am
Suécia com temperaturas record e os maiores incêndios em 12 anos. E nós com este tempo.
Isto tem estado miserável. :hmm:
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