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Author:
Publisher:
ISBN:
Category : Atmospheric carbon dioxide
Languages : en
Pages : 4
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Book Description
Author:
Publisher:
ISBN:
Category : Atmospheric carbon dioxide
Languages : en
Pages : 4
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: M.B. Kirkham
Publisher: CRC Press
ISBN: 1439855056
Category : Science
Languages : en
Pages : 406
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Book Description
Between 1958 and 2008, the CO2 concentration in the atmosphere increased from 316 to 385 ppm. Continued increases in CO2 concentration will significantly affect long-term climate change, including variations in agricultural yields. Focusing on this critical issue, Elevated Carbon Dioxide: Impacts on Soil and Plant Water Relations presents research
Author:
Publisher:
ISBN:
Category : Atmospheric carbon dioxide
Languages : en
Pages : 12
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Book Description
The carbon dioxide (CO2) concentration of Earth's atmosphere continues to rise. Plants in general are responsive to changing CO2 concentrations, which suggests changes in agricultural productivity in the United States and around the world. The ability of plants to absorb CO2 during photosynthesis and then store carbon in their structure or sequester it in the soil has potential for mitigating the rate of rise of atmospheric CO2 concentration. Since 1987, Bruce Kimball and coworkers at the USDA Agricultural Research Service in Phoenix, Arizona, have maintained a greenhouse gas experiment using sour orange trees maintained in a CO2- enriched environment. These trees were harvested in 2005. During the final massive harvest, many different properties and characteristics of the woody biomass for these sour orange trees were studied. This report focuses only on the mechanical property evaluation of modulus of elasticity (MOE), specific gravity, and microfibril angle. In this study of CO2-exposed sour orange trees, CO2 did not significantly affect specific gravity of sour orange trees. Exposure to CO2 did not significantly affect MOE of sour orange trees. Exposure to CO2 did, however, seem to influence microfibril angle development. Minor interactions between CO2 and cardinal direction affected the MOE and were caused by experimental difference in chamber construction.
Author: John D. Graham
Publisher: Harvard University Press
ISBN: 9780674773042
Category : Medical
Languages : en
Pages : 364
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Book Description
We see the stories in the newspaper nearly every day: a drug hailed as a breakthrough treatment turns out to cause harmful side effects; controls implemented to reduce air pollution are shown to generate hazardous solid waste; bans on dangerous chemicals result in the introduction of even more risky substitutes. Could our efforts to protect our health and the environment actually be making things worse? In Risk versus Risk, John D. Graham, Jonathan Baert Wiener, and their colleagues at the Harvard Center for Risk Analysis marshal an impressive set of case studies which demonstrate that all too often our nation's campaign to reduce risks to our health and the environment is at war with itself.
Author: United States. Congress. Senate. Committee on Commerce, Science, and Transportation
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 80
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Book Description
Author: World Bank
Publisher: World Bank Publications
ISBN: 0821379887
Category : Political Science
Languages : en
Pages : 444
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Book Description
In the crowded field of climate change reports, 'WDR 2010' uniquely: emphasizes development; takes an integrated look at adaptation and mitigation; highlights opportunities in the changing competitive landscape; and proposes policy solutions grounded in analytic work and in the context of the political economy of reform.
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ISBN:
Category : Forest ecology
Languages : en
Pages : 780
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Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251098603
Category : Nature
Languages : en
Pages : 244
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Book Description
Cactus plants are precious natural resources that provide nutritious food for people and livestock, especially in dryland areas. Originally published in 1995, this extensively revised edition provides fresh insights into the cactus plant’s genetic resources, physiological traits, soil preferences and vulnerability to pests. It provides invaluable guidance on managing the resource to support food security and offers tips on how to exploit the plant’s culinary qualities.
Author: International Energy Agency
Publisher:
ISBN: 9789264523272
Category :
Languages : en
Pages : 807
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Book Description
The World Energy Outlook series is a leading source of strategic insight on the future of energy and energy-related emissions, providing detailed scenarios that map out the consequences of different energy policy and investment choices. This year's edition updates the outlooks for all fuels, technologies and regions, based on the latest market data, policy initiatives and cost trends. In addition, the 2019 report tackles some key questions in depth: (i) What do the shale revolution, the rise of liquefied natural gas, the falling costs of renewables and the spread of digital technologies mean for tomorrow's energy supply?; (ii) How can the world get on a pathway to meet global climate targets and other sustainable energy goals?; (iii) What are the energy choices that will shape Africa's future, and how might the rise of the African consumer affect global trends?; (iv) How large a role could offshore wind play in the transformation of the energy sector?; (v) Could the world's gas grids one day deliver low-carbon energy?
