medieval warm period

This is just one of dozens of responses to common climate change denial arguments, which can all be found at How to Talk to a Climate Sceptic. Objection: Greenland used to be a lovely hospitable island when the Vikings settled it. It was not until the Little Ice Age that it got so cold they abandoned it. During that time, it was clearly not the frozen wasteland it is today. Answer: Firstly, Greenland is just a part of a single region and as such can not be assumed to represent any kind of global climate shift. See the article on the Medieval Warm Period for a global perspective on this…

This is just one of dozens of responses to common climate change denial arguments, which can all be found at How to Talk to a Climate Sceptic. Objection: The Hockey Stick graph, the foundation of global warming theory, has been refuted and shown to be scientifically invalid, perhaps even a fraud. Answer: The first order of business here is to correct the mischaracterization of this single paleoclimate study as the "foundation" of Global Warming theory. It is anything but! What is going on today is unique and is understood by study of today's data and the best scientific theories the…