Data tampering caused ALL of the global warming reported at the end of the last Century. Here is the proof: GISS Data Tampering – Worse Than You Thought
The graph below shows GISS US temperatures five year mean. At first glance, it looks like the US is really heating up.
Now compare that to the actual GHCN thermometer data which the graph is based on. They look nothing alike. The 1930s were much hotter.
[…] The next graph overlays the published GISS temperature (red) on the thermometer data (blue) normalized to 2003. You can see that they have massively cooled the past relative to the present – to create the appearance of non-existent warming.
Next, let’s compare the actual data to what GISS published in 1999, before they started their most serious tampering: […] Keep reading …
The urban heat…
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