Natural causes of global climate change
Climate change campaigners: 100 reasons why climate change is natural and not man-made
1) There is “no real scientific proof” that the current warming is caused by the rise of greenhouse gases from man’s activity.
2) Man-made carbon dioxide emissions throughout human history constitute less than 0.00022 percent of the total naturally emitted from the mantle of the earth during geological history.
3) Warmer periods of the Earth’s history came around 800 years before rises in CO2 levels.
4) After World War II, there was a huge surge in recorded CO2 emissions but global temperatures fell for four decades after 1940.
After World War II, there was a huge surge in recorded CO2 emissions
5) Throughout the Earth’s history, temperatures have often been warmer than now and CO2 levels have often been higher – more than ten times as high.
6) Significant changes in climate have continually occurred throughout geologic time.
7) The 0.7C increase in the average global temperature over the last hundred years is entirely consistent with well-established, long-term, natural climate trends.
8) The IPCC theory is driven by just 60 scientists and favourable reviewers not the 4, 000 usually cited.
9) Leaked e-mails from British climate scientists – in a scandal known as “Climate-gate” - suggest that that has been manipulated to exaggerate global warming
10) A large body of scientific research suggests that the sun is responsible for the greater share of climate change during the past hundred years.
11) Politicians and activiists claim rising sea levels are a direct cause of global warming but sea levels rates have been increasing steadily since the last ice age 10, 000 ago
12) Philip Stott, Emeritus Professor of Biogeography at the School of Oriental and African Studies in London says climate change is too complicated to be caused by just one factor, whether CO2 or clouds
Hurricanes: Causes, Effects, and the Future
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help...describe earth's natural causes of global climate change...assignment help!? | Yahoo Answers
Q1: There are also irregularitys in the earths orbit that bring it closer to the sun. These irregularitys happen on a 10 - 20 thousand year cycle. The earth also wobbles on its acess, on ithink a 20,000 year ctycle which has effects on global climate.
Also sun spots can play a role these are bursts of increased solar activity which appear as darker spots on the surface of the sun, if during any given period loads of these happen at once the sun can burn a litle hotter, thusly the earth recieves a little more radiation/heat.
Q2: Like the other guys said, volcanoes, meteorites, after …