The project compiled more than a billion temperature records from 15 sources around the world, some dating back to the 1800s.
University of California physics professor Richard Muller set up the project partly in response to "climategate", when emails from the Climate Research Unit at the University of East Anglia were hacked and claims were made that researchers had not been open with their data.
This new data is completely out in the open, available for us all to read on the Berkeley team's website, leading to some critics claiming it is wrong to release the findings before they have been peer reviewed.
But it is hardly surprising news; all the data concurs with the findings of other major groups who have chronicled the world's climate, including Nasa's Goddard Institute for Space Studies in New York, the US National Oceanic and Atmospheric Administration, and the Met Office's Hadley Centre. Read the full report here.
Source: by Simon, Big Green Smile.com.
