Yes, it seems as if human activity is driving climate change, but what if it isn’t? What’s the point of blowing trillions of dollars trying to make the weather conform to our preferences if climate change is simply the result of a natural warming cycle of a the Earth over many thousands of years? Or what if it’s caused the solar output of the sun? How are we going to change that? Or what if, as Danish weather scientist Henrick Svensmark believes, high-energy cosmic rays originating from stars billions of miles away are causing the warming of our planet? The theory is outlined in his new book “The Chilling Stars: A New Theory of Climate Change,” and claims that fluctuations in the number of cosmic rays which hit our atmosphere directly affect the amount of cloud cover over our planet. Thanks to fewer cosmic rays in the past few years, less high level clouds are reflecting sunlight back into the space, and so the Earth is naturally experiencing a period of warming. “Humans are having an effect on climate change,” says Svensmark, “but by not including the cosmic ray effect in models it means the results are inaccurate.The size of man’s impact may be much smaller and so the man-made change is happening slower than predicted.” (The Telegraph)

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