New!  Concern over global climate change may be at an all-time high, but climate change is nothing new—the earth’s climate has always followed natural cycles of warming and cooling. In Unstoppable Solar Cycles, Dr. Willie Soon and Dr. David Legates challenge the popular idea that human-generated CO₂ is causing catastrophic global warming. These scientists propose an alternative theory—that the current warming has more to do with solar activity than with human activity.