New climate science vindicates global warming skeptics
** Environmentalists are right about one thing: The climate changes. But it always has, and always will, with or without sport utility vehicles.
** Climate changes. We all know that -- it changes from day to day, month to month, century to century. Indeed, the geologic record shows that the climate has been in a state of flux throughout the life of our planet.
Six hundred and forty million years ago, the entire globe was covered in ice (the so-called "snowball Earth"), while 200 million years ago, the whole planet was warm and ice free even at the poles.
