Climate Change and Human Activity
William Ruddiman is a paleoclimatologist, that is somebody who studies the climate of long ago and how it influenced and even now influences the world today. He recently retired as the Professor of Environmental Sciences at the University of Virginia and is now the Professor Emeritus in the same department. He has long been known for a series of bold hypotheses about climate change. He was the man who in the 1980s postulated that the rising of the Tibetan plateau created the highly seasonal Monsoonal circulation which dominates the climate of South Asia today. However today he is best known for his controversial Ruddiman hypothesis. According to this hypothesis Human activity has been a basic and important factor in causing climate change not for the past two hundred years after the Industrial revolution released large amounts of fossil fuels and their byproducts into the atmosphere, but for the last 8000 years during which mankind has changed the face of many regions of the world. He ...