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once upon a time climate change could be discussed without every other post saying something like "here we go again with the global warming crap".
Do you have any evidence that humans have caused climate change? Al Gores BS has been debunked so many times so you cant use that. Infact in the uk a court and a judge actualy called Al Gores bs Decption an lies.
Mr. Justice Burton found no errors at all in the science. In his written judgement, the word error appears in quotes each time it is used – nine points formed the entirety of his judgement - indicating that he did not support the assertion the points were erroneous.
2000 years of global temperature data, note the current global warming starting in the mid 1700s, well before man started producing much CO2
earths temperatures are not constant. There were 23 periods of cooling and warming in the past 500 years with the average cycle being 27 years long. There were two cooling and warming periods in the past 100 years alone. 1880-1915 was a period of cooling 1915-1945 was a period of warming 1945-1977 was a period of cooling 1977-1998 was a period of warming 1998-the present, it has been cooling, all related to changes in solar activity and the Pacific El Nino and La Nina cycles
Global temperatures today are among the coolest in the last 500 million years
Ice sheets contain a record of hundreds of thousands of years of past climate, trapped in the ancient snow. Scientists recover this climate history by drilling cores in the ice, some of them over 3,500 meters (11,000 feet) deep.
Throughout each year, layers of snow fall over the ice sheets in Greenland and Antarctica. Each layer of snow is different in chemistry and texture, summer snow differing from winter snow. Summer brings 24 hours of sunlight to the polar regions, and the top layer of the snow changes in texture—not melting exactly, but changing enough to be different from the snow it covers. The season turns cold and dark again, and more snow falls, forming the next layers of snow. Each layer gives scientists a treasure trove of information about the climate each year. Like marine sediment cores, an ice core provides a vertical timeline of past climates stored in ice sheets and mountain glaciers.
Originally posted by minor007
reply to post by VoidHawk
Omg u want evidence???? then learn to read. The evidence has been piling up for the last 100 years or more since the industrial revolution and accelerated after WW1.
Oh wait you are probably one of those types who prefer the evidence to be after the fact......
edit on 5-3-2012 by minor007 because: (no reason given)