Cosmic rays blamed for global warming By Richard Gray, Science Correspondent, Sunday Telegraph Last Updated: 1:08am GMT 11/02/2007 Man-made climate change may be happening at a far slower rate than has been claimed, according to controversial new research. Scientists say that cosmic rays from outer space play a far greater role in changing the Earth's climate than global warming experts previously thought. In a book, to be published this week, they claim that fluctuations in the number of cosmic rays hitting the atmosphere directly alter the amount of cloud covering the planet. High levels of cloud cover blankets the Earth...