Ice Age How a Change of Climate

The groundbreaking history of how climate change transformed Europe and the world, from a renowned archaeologist – updated with a new preface on the latest climate research

GARP's Sustainability and Climate Risk (SCR) Exam Review

Ice ages represent perhaps the most dramatic example of extreme climate change on the Earth. Understanding how and why ice ages occur is of great importance in our wider understanding of the global climate system and how it might change. If one examines Greenland ice data for the past 100,000 years, it becomes very clear that the relatively warm period of the past 11,000 years stand out in striking contrast to the 90,000 years of extreme cold that preceded it.

Picture a world of dog-sized scorpions and millipedes as long as a car; tropical rainforests with trees towering over 150 feet into the sky and a giant polar continent five times larger than Antarctica. That world was not imaginary; it was the earth more than 300 million years ago in the Carboniferous period of the Paleozoic era.