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Mar 28, 2012 | Posted by: roboblogger

Greenhouse gases 'warmed Earth billions of years ago'

Full story: Earth Times

Greenhouses gases are not only a modern phenomenon, they originally warmed temperatures around three billion years ago, say American scientists.

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LessHypeMoreFact

Toronto, Canada

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#1
Mar 29, 2012
 

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Greenhouse gasses have been here most of the time. Only in the year leading to the 'snowball earth' did they pretty much disappear.

Since: Mar 12

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#2
Mar 29, 2012
 

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green house gasses did in fact exist for a long while..though due to fuels and gases from our not too eco friendly cars and factories,the gasses have come back stronger than then.

“Happy, warm and comfortable”

Since: Oct 10

Mountain hideaway, SE Spain

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Mar 29, 2012
 

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NobodyYouEverWantToKnow, alias:
LessFactMoreHype wrote:
Greenhouse gasses have been here most of the time.
Gases, Mr Undoubtably Spelt Fourty.

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