semiautomatix
Honorary Master
In 2007:
http://www.news.com.au/couriermail/story/0,23739,21920043-27197,00.html
Even in the 70s scientists believed we were in a period of global cooling. We are experiencing normal patterns in a cycle that occurs for several decades at a time, sometimes more extreme, sometimes not.
Why are we so arrogant to believe ourselves so capable of doing such damage? Short of a nuclear winter, I think we are over selling and over playing the global warming card.
I do not deny that the pollution and the obvious devastation, as a result, are not real, and if anything this "Global Warming" scare will at least bring our attention to such issues.
However, I am still not convinced global warming as a human caused and almost irreversible concept actually exists. In fact, Mars is going through the exact same temperature changes which leads us to believe it may be a solar related event.
I would like to see people present evidence to the contrary, but as far as I'm concerned it's business as usual.
High price for load of hot air
WITH understandable reluctance, Prime Minister John Howard recently donned the political hair-shirt of a carbon trading system.
On the same day, NASA chief Michael Griffin commented in a US radio interview that "I am not sure that it is fair to say that (global warming) is a problem that we must wrestle with".
NASA is an agency that knows a thing or two about climate change. As Griffin added: "We study global climate change, that is in our authorisation, we think we do it rather well.
"I'm proud of that, but NASA is not an agency chartered to, quote, battle climate change."
Such a clear statement that science accomplishment should carry primacy over policy advice is both welcome and overdue.
Nonetheless, there is something worrying about one of Griffin's other statements, which said that "I have no doubt . . . that a trend of global warming exists".
Griffin seems to be referring to human-caused global warming, but irrespective of that his opinion is unsupported by the evidence.
The salient facts are these. First, the accepted global average temperature statistics used by the Intergovernmental Panel on Climate Change show that no ground-based warming has occurred since 1998. Oddly, this eight-year-long temperature stasis has occurred despite an increase over the same period of 15 parts per million (or 4 per cent) in atmospheric CO2.
http://www.news.com.au/couriermail/story/0,23739,21920043-27197,00.html
Even in the 70s scientists believed we were in a period of global cooling. We are experiencing normal patterns in a cycle that occurs for several decades at a time, sometimes more extreme, sometimes not.
Why are we so arrogant to believe ourselves so capable of doing such damage? Short of a nuclear winter, I think we are over selling and over playing the global warming card.
I do not deny that the pollution and the obvious devastation, as a result, are not real, and if anything this "Global Warming" scare will at least bring our attention to such issues.
However, I am still not convinced global warming as a human caused and almost irreversible concept actually exists. In fact, Mars is going through the exact same temperature changes which leads us to believe it may be a solar related event.
I would like to see people present evidence to the contrary, but as far as I'm concerned it's business as usual.
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