It is disturbing that many recent statements on climate change by influential people are not supported by hard evidence. For instance, Professor Ralph Chapman’s statement that the globe risks a tipping point if emissions are not reduced by 2015 is unsupported by hard evidence, as is David Parker’s claim that if we do nothing to reduce emissions, New Zealand could be up to $500 million worse off by 2012.
This is not true because, if we adopt the Emissions Trading Scheme, electricity bills alone will increase by more than $500 million each year.
These statements and government policies on greenhouse gases, carbon trading and promoting renewable energy are based on the beliefs that the world is warming due to man-made greenhouse gases; that promoting renewable energy will make a substantial difference to New Zealand’s greenhouse gas emissions; and that if New Zealand reduces its greenhouse gas emissions it would affect the world climate. All these beliefs are not true.
The evidence is unequivocal. Measurable, let alone dangerous, manmade global warming is not happening, and is not likely to happen in the future. The major cause for concern is the possibility of severe cooling. Global climate has always changed and recent climate changes are not unusual. The world was warmer in the mediaeval warm period, in the Roman warm period and on many occasions before then. During these periods agriculture and civilisations flourished. During cold periods like the little ice age there was famine, plague and war.
Both surface temperature records and the much more accurate records from satellite observations show there was a brief warming period from 1975-98. Since then, the world has cooled and is now at the same temperature it was in 1995. Nobody knows when, or if, world temperatures might increase. Since the research for the 2007 Intergovernmental Panel on Climate Change report was completed in mid 2006, researchers have discovered that warming since 1975 is not caused by greenhouse gases. Greenhouse gas warming would be at a maximum 10,000m above the tropics.
Observations from balloons and satellites have shown that warming is not happening. Therefore greenhouse gases such as carbon dioxide are not a major factor in the world climate. This fact alone is sufficient to sink the manmade global warming hypothesis. Computer-based climate models provide the only “evidence” supporting claims that the world is warming, that it will be dangerous, that there will be rapid rises in sea levels and the like, yet these same models failed to predict the temperature peak in 1998 and the steady cooling trend that set in from 2002. It is obvious that the models have failed to predict major climatic events such as El Nino (1998) and La Nina (2007-08). The models are not an accurate representation of the world climate system and their input data is inaccurate, therefore their outputs are worthless. This fact alone is sufficient to sink the manmade global warming hypothesis.
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