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One side argues that the current global warming is caused by human factors while the other side insists it is occurring because of natural forces.In the latter argument, two natural causes that dominate the conversation are solar changes and changes to the Earth's orbit.The Brookings Institute released a report in April on the public opinion on climate change in the United States and Canada.
“It may evoke some response so as to bring to the fore the substantial role of the natural forcing at work on the observed climate variability.” Mufti, however, did note that the evidence of the Sun and other natural forces being the primary cause for climate change is still inadequate.
“We do not rule out the natural forcings at work,” he said, “but there isn't enough quantitative evidence to say that natural forcings are the dominant cause of current climate change.” Pointing out the geopolitical sensitivity of the topic itself, Mufti was careful not to rule out anthropogenic effects.“We have made it amply clear that the anthropogenic origins cannot also be ruled out,” Mufti said.
[10 Surprising Results of Global Warming] The Sun's Energy Scientists and astronomers have studied the impact of the Sun on the Earth's climate as far back as the early 1800s.
Historians have traced the earliest such studies to the research of Sir William Herschel, who tried to link the frequency of sunspots to the price of wheat.
While a natural event such as this could bring about major changes to the climate, some scientists are warning that there is a possibility for reverse feedback.
In other words, instead of an orbital tilt causing climate change, such as the one that took place in the African continent, current changes in climate could end up causing changes in the Earth's axial tilt.However, their argument is that in the current cycle of climate change, the impact caused by man is far greater.But there’s no indication that the two sides of the climate change debate will reach any common ground in the near future on what scientific evidence is showing, or what policy decisions should be adopted.We are changing the Earth’s atmosphere by emitting huge amounts of greenhouse gases such as carbon dioxide, most of which comes from the burning of fossil fuels.Other human activities include agriculture and changes in land-use patterns."There aren't 'two sides' to the science, nor to the policy response," Schmidt said."This implies that the whole thing is just a matter of an opinion – it is not." Another group of scientists would disagree with Schmidt.In June, the Sixth International Conference on Climate Change took place in Washington D. It was organized by The Heartland Institute, headquartered in Chicago, and its primary objective is to "dispute the claim that global warming is a crisis." In 2008, the organization published a report titled "Nature, Not Human Activity, Rules the Climate." Its president, Joseph Bast, talking to the journal Nature recently, discussed public opinion on climate change and the ongoing debate."We've won the public opinion debate, and we've won the political debate as well," Bast said, "but the scientific debate is a source of enormous frustration." The climate change debate, as it discussed in the mainstream media, appears to be divided into two major sides."There are about 10 other memes that are out there, and when you go and talk to any audience about climate, you hear them washing back at you the same crap, over and over and over again,” Gore said.“There is no longer shared reality on an issue like climate, even though the very existence of our civilization is threatened." Although the climate scientists who say that the climate is changing (about 97 percent by some estimates) far outnumber those who don’t, Gore's comments indicate the strength of the message of those who argue against climate change.