
LONDON, July 11 (UPI) -- A British report says increased cosmic rays are not to blame for global climate change over the past two decades.
The study, published in the Royal Society's journal Proceedings A, says the sun's cosmic ray output has declined over the past 20 years, the BBC said Wednesday.
Mike Lockwood of Britain's Rutherford-Appleton Laboratory told BBC News he initiated the study after the documentary "The Great Global Warming Swindle" was broadcast on Britain's Channel Four this year.
"All the graphs they showed stopped in about 1980, and I knew why, because things diverged after that," he said. "You can't just ignore bits of data that you don't like."
The Intergovernmental Panel on Climate Change reported in February that greenhouse gases were about 13 times more responsible than solar changes for rising global temperatures, the BBC said.
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