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independent investigation of key questions skeptics say can skew the overall number of global reports have no real effect

. Bob Ward: Lord Lawson Warming Global Policy Foundation is spreading errors

The world is warming, the fight against the doubts of skeptics of climate change on the validity of certain scientific evidence, according to the most comprehensive and independent records of temperature history of the time.

scientists from the University of California, Berkeley, has found several key questions that skeptics claim may distort the results of global warming had no significant effect.

Berkeley The project has raised over one billion temperature records dating back to 1800 from 15 sources worldwide and found that the average global temperature of Earth has increased by about 1 in C from mid-1950.

This figure agrees with the assessment made for the main groups that maintain official records of global climate, including the Goddard Institute for Space Studies in New York, United States Oceanic and Atmospheric Administration (NOAA) and the Met Office Hadley Centre, University of East Anglia in the UK.

"My hope is that this will convince those who are appropriately skeptical," said Richard Muller, a physicist and project leader.

"Some people are rather skeptical about the mass with Holocaust deniers and that makes it easy to dismiss as the deniers do not pay attention to science. But there are people who have raised legitimate questions. "

Müller tried to cool the debate on climate change by creating the biggest open database records temperature, with the aim of producing a transparent and independent assessment of global warming.

The initial reluctance of government groups to release all their methods and data, and the fiasco of emails from the University of the Climatic Research Unit of East Anglia in 2009, gave the project additional impetus.

The team, which includes Saul Perlmutter, co-winner of the Nobel Prize in Physics this year by the discovery that the universe is expanding at an increasing rate, presented four papers in the Journal Geophysical Research Letters describing their work to date.

publish the results before they are peer-reviewed is not a common practice, but Muller said the decision to distribute the work before publication is part of a long tradition of academic consistency check of the results with colleagues.

"We will get feedback much more than these public documents before publication," he said.

climate change skeptics have criticized the official figures of global warming on the basis that many temperature stations are of poor quality and the data are adjusted by hand.

"Of course, assuming that basically confirms what we have seen, the deniers will then decide what is a criminal or has an ulterior motive.
"As I discussed in the past, the deniers, or non-conformist if you do not act as scientists but as lawyers."