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Volcanic dust, climate change, tsunamis, earthquakes—geoscience explores phenomena that profoundly affect our lives. But more than that, as Doug Macdougall makes clear, the science also provides important clues to the future of the planet. In an entertaining and accessibly written narrative, Macdougall gives an overview of Earth’s astonishing history based on information extracted from rocks, ice cores, and other natural archives. He explores such questions as: What is the risk of an asteroid striking Earth? Why does the temperature of the ocean millions of years ago matter today? How are efforts to predict earthquakes progressing? Macdougall also explains the legacy of greenhouse gases from Earth’s past and shows how that legacy shapes our understanding of today’s human-caused climate change. We find that geoscience in fact illuminates many of today’s most pressing issues—the availability of energy, access to fresh water, sustainable agriculture, maintaining biodiversity—and we discover how, by applying new technologies and ideas, we can use it to prepare for the future.
- Sales Rank: #971066 in Books
- Published on: 2012-06-12
- Original language: English
- Number of items: 1
- Dimensions: 9.00" h x .90" w x 6.00" l, .90 pounds
- Binding: Paperback
- 304 pages
Review
"[Macdougall] addresses ways to apply geology to questions . . . and presents all in an enjoyable reading stye."--"Choice"
"[Macdougall] Provides important clues to the future of the planet."--"Interaction / Bms Book News"
"A wonderful primer on geology, and a clear explanation of how the science is done."--Rob Hardy"Columbus Dispatch" (07/02/2012)
"MacDougall has given us a gem, a book that removes emotion and apocalyptic hyperbole from the equation and provides a sober analysis of why most scientists have come to the conclusion they have about how human activity has started to play a role in the Earth's climate."--Jim Trageser"North County Times" (06/19/2011)
A wonderful primer on geology, and a clear explanation of how the science is done. --Rob Hardy"Columbus Dispatch" (07/02/2012)"
MacDougall has given us a gem, a book that removes emotion and apocalyptic hyperbole from the equation and provides a sober analysis of why most scientists have come to the conclusion they have about how human activity has started to play a role in the Earth s climate. --Jim Trageser"North County Times" (06/19/2011)"
From the Inside Flap
“Macdougall does a masterful job of exploring the questions, dilemmas, and insights that have led to today’s scientific understanding of the composition of our planet. His approach is not “rocks on a shelf” science; it’s a compelling, interdisciplinary peek at Earth’s prehistory—including those processes that support so much of modern civilization.”-Ernest Zebrowski, author of Global Climate Change and Category 5: The Story of Camille
“The story of Earth is told in such geologic forms as rock strata, volcanic eruptions, meteor craters, fossils, ocean currents, and ice flows. Macdougall gives these disparate elements voice and puts them into a perspective that emphasizes why Earth science is important in our understanding of both the planet’s history and our role in its tomorrow.”-Jeff Kanipe, author of The Cosmic Connection: How Astronomical Events Impact Life on Earth
About the Author
Doug Macdougall is Professor Emeritus of Earth Sciences at Scripps Institution of Oceanography, University of California, San Diego. He is the author of Nature’s Clocks: How Scientists Measure the Age of Almost Everything; Frozen Earth: The Once and Future Story of Ice Ages (both from UC Press); and A Short History of Planet Earth.
Most helpful customer reviews
17 of 17 people found the following review helpful.
A new biography of the earth
By Art Shapiro
The title of this book doesn't do its content justice. While it does indeed tell "why geology matters," the point is that this is simply the best history of the planet currently in print that does not require prior college-level coursework in geological sciences. While most treatments of historical geology don't really discuss the configuration of continents and ocean basins before Pangaea--creating the false impression that the fusion of all the land masses was the primeval condition--this book takes the reader through the complex history of openings and closings, explaining the physical processes at work and the logic and the data used to reconstruct the remote past, and (to the extent current knowledge allows) demystifying such topics as mass extinctions, bolide impacts, subduction, vulcanism, and the extraordinary fluctuations in earth's climate over its history. Its bibliography is an excellent guide to further and deeper reading. While never "talking down" to the reader, MacDougall makes it plain that the enormous and highly sophisticated body of geoscientific evidence reduces claims of a young (less than 10,000 years!) earth and a Noachian flood to their proper status -- as pure myth. I am recommending this book as essential reading to my students and friends--and to you.
10 of 10 people found the following review helpful.
Best General Interest Science Book I have Read In A Long Time
By gooddog
I like science, but I am not a scientest. Why Geology Matters is one of the best general intest science books I have read in a long long time. Not too hard a read, not too easy a read, just right balance for someone with a interest in science without a "hardcore" science background (i.e., does not have a masters or PhD in earth science). This book reviews the history of the earth from a geology point of view, but takes a very broad view of the defination of geology. The book discusses all aspects of earth science, including plate tectonics, meteorite impacts, global weather and ocean circulation as to how it effected the development of the earth. I could not put this book down. Well worth the price.
17 of 20 people found the following review helpful.
Digging Just How Important Geology Is
By Rob Hardy
According to a recent poll, almost half of Americans believe that the Earth was created less than 10,000 years ago. Many of them would undoubtedly be proud that they had enough religious faith to believe such a thing, and others just assume it to be true because that's what religious people they trust tell them, along with telling them that scientists are deceiving them in trying to show that the Earth is much older. This embarrassing ignorance is not the reason geologist Doug MacDougall has written _Why Geology Matters: Decoding the Past, Anticipating the Future_ (University of California Press). Indeed, you won't find in his book's index reference to the Bible, creationism, or Bishop Ussher. What you will find in this clearly-written and instructive book is a summary of what geologists do (it isn't just dig for oil or other valuables), how they have come to understand the immense range of times involved in Earth's creation and transformation into our livable world, and most importantly how geology, thought of as the dusty study of ancient ages, is key to understanding the most important of the resource and environmental issues that will confront us in the future. It is a wonderful primer on geology, and a clear explanation of how the science is done.
MacDougall's initial chapter, indeed, tells how the age of our Earth has been pushed back from the folkloric 6,000 years to the current 4.5 billion years. The rocks from 4.5 billion years ago are no more; geological processes have changed them into other sorts of rock, but that hasn't happened to rocks that have come in from space. Such meteorites can represent the sorts of minerals that were swept up to accumulate in the Earth. Further understanding comes from observation, as from the Hubble telescope, of the intensely powerful processes involved in initiating the formation of stars and planets. Getting rocks from the Moon, too, has told us much about how it and the Earth formed together. It is another example of how space science and Earth science work in tandem; there are other examples drawn here from oceanography, biology, chemistry, physics, cosmology, and more. One of the themes in MacDougall's book is that interdisciplinary studies are especially manifest within geology. Of course there is much here about plate tectonics. This mechanism was poorly understood only fifty years ago, but now makes clear big chunks of geology, like how mountain ranges are formed, why certain regions are prone to earthquakes, and why there are volcanoes in some parts of the Earth and not others. Chapters here review such topics as atmospheric gases trapped in ice cores from Antarctica, the magnetic polarity stripes in the seafloor, the reasons we believe a meteor wiped out the dinosaurs, the causes of the other four big extinctions, the formation of fossils, and much more. It is a useful and accessible summary, ending with reflections on how studying geology will give us our best chance of handling future problems about water, energy, and mineral resources. Of course MacDougall also shows how understanding geology helps us understand the prospects of global climate change, and he wisely sticks to what we know and what we don't. It does mean something, however, that when carbon dioxide in the air goes up, so do temperatures, and carbon dioxide is now thirty percent higher than at the start of the Industrial Revolution.
We will get further in solving these problems if we know the geology that explains them. We will get nowhere if anti-scientific attitudes are part of the argument when we try to solve scientific problems. When a Christian publication gave a laudatory review of _Why Geology Matters_, for instance, the influential creationist Ken Ham was shocked, and wrote, "We are seeing more and more articles like this where certain academics who profess to be Christians write about the idea of millions of years as fact. The more Christian writers do this, the more the church becomes indoctrinated with these false ideas that undermine biblical authority (and in reality are examples of bad science anyway)." The processes described MacDougall's admirable summary make no sense at all in an Earth 10,000 years old. Geology, and all the deeply connected sciences mentioned here, don't just tell us accurately how old the Earth is and plenty else about the past. MacDougall presents a convincing case that geology will help us with a better future.
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