President Obama utilized his recent trip to Alaska to visit Exit Glacier and state that its gradual receding justifies the extensive and expensive actions by federal agencies that are based on the theory of man-made global warming.
According to the New York Post “Exit Glacier has been shrinking … since 1815 — long before widespread industrialization and automobiles…Alaska has been buffeted by cyclical swings in climate for thousands of years. That’s true for the rest of the world, too. There was a 300-year-long Medieval heat wave, followed by a Little Ice Age that began around 1300, and then the 300-year warming period we’re in now. …The Alaska Climate Research Center reports almost no evidence of warming trends in Alaska since 1977…Many scientists are predicting the onset of two or three centuries of cooler weather — which would mean bigger glaciers.”
Despite the extensive disagreement by numerous scientists (31,072 American scientists, including 9,029 with PH.D’s, have signed a petition opposing the views of those who claim human factors have altered the climate) the White House continues to contend that the issue of man-made warming is “settled science” and there is no need for further research.
An icon of global warming advocates is failing to cooperate. The Daily Caller’s review of a Lakehead University study found that polar bears, supposedly threatened by global warming, are in fact thriving.
Part of the problem in determining what climate changes the Earth is enduring is that, as noted by federal sources “Temperature records from thermometers and weather stations exist only for a tiny portion of our planet’s 4.54-billion-year-long life.”
Official or semi-official weather records go back only about 100 years, although some records do go back a few centuries before that. However, scientific data indicates that substantial global climate swings occurred long before industrial activity began. According to Green Agenda “In AD 1000, the Earth was experiencing an episode of climate warming similar to that of the present day…In Europe, several centuries of long hot summers led to an almost unbroken string of good harvests, and both urban and rural populations began to grow. These centuries are known as the Medieval Warm Period. One of the more dramatic consequences of the Medieval Warm Period was the expansion of Viking settlements in the North Atlantic. From their Icelandic base (established in AD 870), the Norse people began to move west and north to Greenland, Canada, and eventually above the Arctic Circle.”
A Nature study has found that temperatures in ancient Rome were warmer than the present.
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One of the more significant arguments against the extreme measures advocated by the White House can be gleaned from a study of the other planets in our solar system. A National Geographic review in 2007 reported that
“Simultaneous warming on Earth and Mars suggests that our planet’s recent climate changes have a natural—and not a human-induced—cause, according to one scientist’s controversial theory…In 2005 data from NASA’s Mars Global Surveyor and Odyssey missions revealed that the carbon dioxide ‘ice caps’ near Mars’s south pole had been diminishing for three summers in a row. Habibullo Abdussamatov, head of space research at St. Petersburg’s Pulkovo Astronomical Observatory in Russia, says the Mars data is evidence that the current global warming on Earth is being caused by changes in the sun. ‘The long-term increase in solar irradiance is heating both Earth and Mars,’ he said…Abdussamatov believes that changes in the sun’s heat output can account for almost all the climate changes we see on both planets.”
The Earth and Mars are not alone. A Daily Tech report noted that “The entire solar system appears to be warming up lately…Global warming was detected on Jupiter last year, and the warming is apparently behind the formation of a second red spot. Global warming on Neptune’s moon Triton has also been noted, with severe atmospheric changes as a result. And even tiny Pluto has experienced moderate warming in recent years, with temperatures rising a full 3.5 degrees.
“The common denominator in all these cases, the Earth included, is of course the Sun, which is in the middle of an extremely active period at present. The last time it was so active was during the Medieval Warm Period of 700 years ago, a period where the Earth was warmer than it is today. Interestingly enough, the period in which it was least active (the Maunder Minimum) corresponds with the Little Ice Age the earth experienced in the 17th century.”
The article points out that this doesn’t mean that the sun is getting hotter, but that is more “active.”
“Such correlations are causing many scientists to consider the Sun the primary cause of terrestrial climate change. The initial problem with this theory was that the changes in solar flux didn’t appear to be enough to account for the warming. Scientist Henrik Svensmark of the Danish Space Research Institute reports that increased solar activity not only warms the earth directly, it increases the strength of the solar winds. This reduces the amount of cosmic radiation striking the earth, which directly reduces the formation rate of clouds. Less clouds = more warming. Astrophysicist Nir Shaviv reconstructed 550 million years of Earth’s climate change history. He found that 2/3 of the temperature variance could be explained by changes in cosmic flux alone, without even considering the direct influence of solar heating. This has always been a weak point of CO2-based models, which have never been able to successfully explain these warming and cooling trends in our past.”