The scandal of fiddled global warming data. How Achy Joints Predict the Weather. Global Warming or Global Governance? (Full Length) 20/20 - Is there really a global warming consensus? Climate Fraud! Global Warming Hoax! Professor John R. Christy. The Great Global Warming Swindle. Does CO2 correlate with temperature history? – A look at multiple timescales in the context of the Shakun et al. paper. Guest post by Michael Pacnik Especially in the context of recent discussion of the Shakun et al. paper, a look at other sources for temperature history versus CO2 can be helpful, examining timescales ranging from the past century to the past 11000 years and even the past 500 million years. Recent discussion of the Shakun et al. (Nature 2012) paper has illuminated issues in its presentation of the history of CO2 versus temperature (commentaries here, here, here, and here). In addition to those investigations, another helpful approach may be to take a step back and cross-check with other sources.
In general, does CO2 correlate with temperature in climate history? The answer is often yes on “medium” timescales, but no on “short” timescales and also no on the very longest timescales of all. Source: Yet, what about a closer look at a “short” time scale, the past few thousand years instead? There are other examples.
Like this: Global Warming Melts Away. Measured Temperatures. The two charts below show recent global temperatures (NASA/GISS data) in units of hundredths of a degree above the 1951-1980 average. The lines are linear regression trends for the extent shown. March 2012 was the most recent month of data at the time of writing. Based on NASA/GISS data going back to 1880: The trend of annual mean temperatures since 1880 is warming of 0.59 degrees Celsius per century.The trend over the last nine years (since 2002) is one of cooling.There has been no statistically significant (at 95% confidence level) warming in 14 years (since 1997).The trend in March temperatures for the last 12 years (since 2000) is one of cooling.There has been no statistically significant warming in March for 17 years (since 1995).March 2012 was the coolest March in 13 years (since 1999).
Similar observations can be drawn from Hadley Center data from the U.K., which goes back to 1850. The trend of annual mean temperatures since 1850 is warming of 0.45 deg. Forget global warming - it's Cycle 25 we need to worry about (and if NASA scientists are right the Thames will be freezing over again) Met Office releases new figures which show no warming in 15 years By David Rose Updated: 05:38 GMT, 29 January 2012 The supposed ‘consensus’ on man-made global warming is facing an inconvenient challenge after the release of new temperature data showing the planet has not warmed for the past 15 years.
The figures suggest that we could even be heading for a mini ice age to rival the 70-year temperature drop that saw frost fairs held on the Thames in the 17th Century. Based on readings from more than 30,000 measuring stations, the data was issued last week without fanfare by the Met Office and the University of East Anglia Climatic Research Unit. It confirms that the rising trend in world temperatures ended in 1997. A painting, dated 1684, by Abraham Hondius depicts one of many frost fairs on the River Thames during the mini ice age Solar output goes through 11-year cycles, with high numbers of sunspots seen at their peak.
These findings are fiercely disputed by other solar experts. Are We Globally Warming Our World to Death. ABC: IPCC climate report: humans 'dominant cause' of warming The United Nations has spoken, declaring that it’s our fault. Global warming, that is. “The heat is on; we must act,”1 declares United Nations Secretary-General Ban Ki-moon, commenting on the policymakers’ guidelines just released by the UN’s Intergovernmental Panel on Climate Change (IPCC). The IPCC’s latest report disregards scientific claims to the contrary and says that global warming is real, worsening, and dangerous. The panel further concludes that it is 95% certain “that human influence has been the dominant cause of the observed warming since the mid-20th century”1 and therefore the cause of a looming disaster.
Climate Change or Global Warming or . . . ? For a while now, it has become more popular—and accurate—to refer to climate change, for gloom-and-doom predictions about global cooking have not come true. How does the IPCC explain the seemingly favorable non-warming trend since 1988? A Call for Diligence Dr.