Saturday, 9 March 2013

TRENDS IN 20th CENTURY GLOBAL WARMING

I recently came across an answer given in parliament to a question on the trend in global warming. See this link: http://www.publications.parliament.uk/pa/ld201213/ldhansrd/text/121108w0001.htm#12110877000337
I contacted the Met Office to ask for the trend for some periods in between. Below is their reply:

1910-1940: 0.14°C per decade ±0.05°C per decade

1950-1970: 0.01°C per decade ±0.10°C per decade

2000-2012: 0.04°C per decade ±0.11°C per decade

Of course they were right to point out that trends over shorter periods can be skewed by natural variation, but it is both interesting and important to know just how much influence nature plays in our climate over even 20 or 30 years. If global warming can be masked or even reversed by natural factors then how can the warmists claim to predict future amounts of warming?





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