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Serbian mathematician Milutin Milankovitch had suggested the Earth's orbit - essentially is proximity to the sun - could explain why there were ice ages every 100,000 years.
But Lenton and is colleagues said the true drivers were temperature and greenhouse gases, with the Earth's orbit playing more of a bit role.
The Jaenschwalde power plant is one of the biggest single producers of CO2 gas in Europe.
It is bad enough that warming temperatures are being blamed for the drought in California or melting sea ice in the Arctic.
Although most of these changes have important ecological and at times economic implications, they remain notoriously difficult to detect in advance.
We compare nonlinearity to other suggested leading indicators of instability (variance and autocorrelation).If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your Dropbox account. To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies.Steam rises from cooling towers at the Jaenschwalde coal-fired power plant in Germany, in this file photo from 2010.The measurements were made largely in order to gain an understanding of the distribution of radiocarbon within the dynamic carbon reservoir.Again, the data are not reported primarily with the idea of drawing new conclusions but rather to bring together in one place information which is presently scattered throughout the literature or which otherwise might remain unpublished.
Taking 800,000 years of ice core data and putting it into a mathematical model, the researchers, writing in the journal Nature Climate Change on Monday, were able to demonstrate a correlation between the rising temperatures and a spike in greenhouse gas emissions across several ice ages."This gives a direct deduction from this past data that there is a strong effect of the temperature on concentrations on carbon dioxide and methane, in other words two major greenhouse gases," Tim Lenton, a co-author on the paper from the University of Exeter, told CBS News.