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What Really Causes Global Warming?: Greenhouse Gases or Ozone Depletion?
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About What Really Causes Global Warming?: Greenhouse
Product Description Earth’s temperature is determined by the thickness of the ozone layer. When this layer is depleted, more solar ultraviolet radiation reaches Earth, increasing temperatures. The ozone layer has been depleted since the 1960s by human-manufactured gases and since 2014 by extensive lava flows from Bárðarbunga volcano in central Iceland. What Really Causes Global Warming shows that the greenhouse warming theory cannot explain recent climate change. Reducing greenhouse gas emissions would be a total waste of money. About the Author Dr. Peter Langdon Ward spent twenty-seven years with the United States Geological Survey as a research geophysicist, branch chief, and program manager, and as a specialist in helping people adapt to the risks from natural hazards that they and their families face. He chaired a committee on disaster warning at the White House, published more than fifty scientific papers, and has been featured on Good Morning America and many regional news programs. For the past nine years, he has worked to resolve several enigmatic observations related to climate change. Excerpt. © Reprinted by permission. All rights reserved. Overview Climate Is Never “Settled,” and Neither Is Science “The work of science has nothing whatever to do with consensus. Consensus is the business of politics. Science, on the contrary, requires only one investigator who happens to be right, which means that he or she has results that are verifiable by reference to the real world.” Michael Crichton, 2003 Climate is always changing, usually so slowly that humans can readily adapt, but sometimes so quickly that many people die and civilizations fail for lack of sufficient resources such as water, food, and healthy air. Our species, Homo sapiens, is the child of climate change. At least twenty-five times from 100,000 to 10,000 years ago, every 3600 years on average, the world warmed 18 to 29oF (10 to 16oC) rapidly out of an ice age. Within a decade or two, only part of a human lifetime, temperatures escalated many degrees, glaciers melted and sea level rose, followed by a slow drift back into ice-age conditions over a century or more, over several human lifetimes. Our ancestors proved resourceful. Apparently, they were better able than the Neanderthals and other human-like species to adapt their diet, to migrate, and to learn to work together in order to survive these sudden changes. As more and more data are collected, we are finding a stronger and stronger link between climate change and change among living things throughout geologic history, throughout the evolution of our species, and throughout recorded history. Our ancestors, who were the ones that survived, obviously figured out how to adapt. Recently, we have been hearing news stories almost daily about global warming or about record-setting severe weather. What is going on and why? Are humans to blame? Will it get worse? What can we do about it? What should we do about it? Finally, there is the very personal question: how should I and my family adapt? This book starts off by examining the rapid global warming that clearly did occur between 1970 and 1998 and that, in my view, appears to have been caused by humans depleting the ozone layer, located 12 to 19 miles (20 to 30 km) above Earth’s surface. In 1995, Mario J. Molina, Paul J. Crutzen, and Frank Sherwood Rowland received the Nobel Prize in Chemistry for their “work in atmospheric chemistry, particularly concerning the formation and decomposition of ozone.” Rowland, in his acceptance lecture, said “the ozone layer acts as an atmospheric shield, which protects life on Earth against harmful ultraviolet radiation coming from the sun. This shield is fragile: in the past two decades it has become very clear that it can be affected by human activities.” When the ozone layer is thinned (depleted), more ultraviolet radiation than usual reaches Earth, raising surface temperatures. Global warming by one degree Fahrenhe
