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Climate Crash

Author: John D. Cox
Publisher: National Academies Press
ISBN: 9780309093125
Size: 44.92 MB
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As scientists carefully search for clues in the sun and storm patterns from our distant past, they are gradually writing a new history of Earth's climate. Layers extracted from cores drilled into glaciers and ice sheets, sediments collected from the shores of lakes and oceans, and growth rings exposed in ancient corals and trees all tell the same surprising story. It is now apparent that alterations in our climate can happen quickly and dramatically. Physical evidence reveals that centuries of slow, creeping climate variations have actually been punctuated by far more rapid changes. While this new paradigm represents a significant shift in our picture of Earth's past, the real question is what it means for our future. Many researchers are now quietly abandoning the traditional vision of a long, slow waltz of slumbering ice ages and more temperate periods of interglacial warming. While they've long recognized the threats posed by global warming, they must now consider that the natural behavior of our climate is perhaps a greater threat than we'd imagined. And though there is no need for immediate alarm, the fact that changes in our climate can happen much more quickly than we'd originally thought--perhaps in the course of a human lifetime--makes it clear that science has a lot of questions to answer in this area. What are the mechanisms for triggering a significant climate change? In what ways should we expect this change to manifest itself? When will it likely happen? Climate Crash seeks to answer these questions, breaking the story of rapid climate change to a general public that is already intensely curious about what science has to say on the topic.

Kicking The Carbon Habit

Author: William Sweet
Publisher: Columbia University Press
ISBN: 0231510373
Size: 27.10 MB
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With glaciers melting, oceans growing more acidic, species dying out, and catastrophic events like Hurricane Katrina ever more probable, strong steps must be taken now to slow global warming. Further warming threatens entire regional economies and the well being of whole populations, and in this century alone, it could create a global cataclysm. Synthesizing information from leading scientists and the most up-to-date research, science journalist William Sweet examines what the United States can do to help prevent climate devastation. Rather than focusing on cutting oil consumption, which Sweet argues is expensive and unrealistic, the United States should concentrate on drastically reducing its use of coal. Coal-fired plants, which currently produce more than half of the electricity in the United States, account for two fifths of the country's greenhouse gas emissions of carbon dioxide into the atmosphere. Sweet believes a mixture of more environmentally sound technologies-wind turbines, natural gas, and nuclear reactors-can effectively replace coal plants, especially since dramatic improvements in technology have made nuclear power cleaner, safer, and more efficient. Sweet cuts through all the confusion and controversies. He explores dramatic advances made by climate scientists over the past twenty years and addresses the various political and economic issues associated with global warming, including the practicality of reducing emissions from automobiles, the efficacy of taxing energy consumption, and the responsibility of the United States to its citizens and the international community to reduce greenhouse gases. Timely and provocative, Kicking the Carbon Habit is essential reading for anyone interested in environmental science, economics, and the future of the planet.

Abrupt Impacts Of Climate Change

Author: National Research Council
Publisher: National Academies Press
ISBN: 0309287766
Size: 71.11 MB
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Climate is changing, forced out of the range of the past million years by levels of carbon dioxide and other greenhouse gases not seen in the Earth's atmosphere for a very, very long time. Lacking action by the world's nations, it is clear that the planet will be warmer, sea level will rise, and patterns of rainfall will change. But the future is also partly uncertain -- there is considerable uncertainty about how we will arrive at that different climate. Will the changes be gradual, allowing natural systems and societal infrastructure to adjust in a timely fashion? Or will some of the changes be more abrupt, crossing some threshold or "tipping point" to change so fast that the time between when a problem is recognized and when action is required shrinks to the point where orderly adaptation is not possible? Abrupt Impacts of Climate Change is an updated look at the issue of abrupt climate change and its potential impacts. This study differs from previous treatments of abrupt changes by focusing on abrupt climate changes and also abrupt climate impacts that have the potential to severely affect the physical climate system, natural systems, or human systems, often affecting multiple interconnected areas of concern. The primary timescale of concern is years to decades. A key characteristic of these changes is that they can come faster than expected, planned, or budgeted for, forcing more reactive, rather than proactive, modes of behavior. Abrupt Impacts of Climate Change summarizes the state of our knowledge about potential abrupt changes and abrupt climate impacts and categorizes changes that are already occurring, have a high probability of occurrence, or are unlikely to occur. Because of the substantial risks to society and nature posed by abrupt changes, this report recommends the development of an Abrupt Change Early Warning System that would allow for the prediction and possible mitigation of such changes before their societal impacts are severe. Identifying key vulnerabilities can help guide efforts to increase resiliency and avoid large damages from abrupt change in the climate system, or in abrupt impacts of gradual changes in the climate system, and facilitate more informed decisions on the proper balance between mitigation and adaptation. Although there is still much to learn about abrupt climate change and abrupt climate impacts, to willfully ignore the threat of abrupt change could lead to more costs, loss of life, suffering, and environmental degradation. Abrupt Impacts of Climate Change makes the case that the time is here to be serious about the threat of tipping points so as to better anticipate and prepare ourselves for the inevitable surprises.

Encyclopedia Of Global Warming

Author: Steven I. Dutch
Publisher: Salem Pr Inc
ISBN:
Size: 47.56 MB
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The subject of climate change has become an important issue over the past few years. Encyclopedia of Global Warming is designed to help the student or patron understand the environmental science, social issues and controversies surrounding this important issue. Essays explore a wide variety of topics, including fossil fuels, glaciology, conservation, human rights, pollution, society, science and water resources.

The Cq Researcher Bound Volume 2006

Author: Inc. Congressional Quarterly
Publisher: Cq Press
ISBN: 9780872895447
Size: 52.16 MB
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Presents articles that cover a variety of social conditions and problems, including domestic violence, eating disorders, stem cell research, abortion, ecotourism, and environmenalism.

Understanding Earth S Deep Past

Author: National Research Council
Publisher: National Academies Press
ISBN: 0309209196
Size: 16.18 MB
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There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century, without a reduction in emissions, atmospheric CO2 is projected to increase to levels that Earth has not experienced for more than 30 million years. As greenhouse gas emissions propel Earth toward a warmer climate state, an improved understanding of climate dynamics in warm environments is needed to inform public policy decisions. In Understanding Earth's Deep Past, the National Research Council reports that rocks and sediments that are millions of years old hold clues to how the Earth's future climate would respond in an environment with high levels of atmospheric greenhouse gases. Understanding Earth's Deep Past provides an assessment of both the demonstrated and underdeveloped potential of the deep-time geologic record to inform us about the dynamics of the global climate system. The report describes past climate changes, and discusses potential impacts of high levels of atmospheric greenhouse gases on regional climates, water resources, marine and terrestrial ecosystems, and the cycling of life-sustaining elements. While revealing gaps in scientific knowledge of past climate states, the report highlights a range of high priority research issues with potential for major advances in the scientific understanding of climate processes. This proposed integrated, deep-time climate research program would study how climate responded over Earth's different climate states, examine how climate responds to increased atmospheric carbon dioxide and other greenhouse gases, and clarify the processes that lead to anomalously warm polar and tropical regions and the impact on marine and terrestrial life. In addition to outlining a research agenda, Understanding Earth's Deep Past proposes an implementation strategy that will be an invaluable resource to decision-makers in the field, as well as the research community, advocacy organizations, government agencies, and college professors and students.