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À l'heure où les terres agricoles sont mises à mal par les excès d'engrais et de pesticides ou le changement climatique, il devient urgent de réconcilier rendement, fertilité et qualité, de façon naturelle et durable. Cet ouvrage présente des solutions pour restaurer les équilibres des sols et les rendre plus fertiles et résilients. Après avoir expliqué comment procéder à une analyse des sols sur des critères biologiques, physiques, chimiques et hydrauliques, il détaille de nombreuses pistes pour : (-) rééquilibrer la microbiologie des sols (flore microbienne, bactéries diazotrophes, mycorhizes…) ; (-) fertiliser les cultures (labours agronomiques, corrections minérales, échanges cationiques…) ; (-) protéger les espèces plantées (nutriprotection). Les professionnels de l’agriculture et de l’agronomie ainsi que les étudiants de ces domaines y trouveront les clés d’un véritable cheminement de transition agro-écologique solide et vertueux.

Sols --- Qualité. --- Teneur en carbone. --- Qualité --- Teneur en carbone

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The climate crisis requires that we drastically reduce carbon dioxide emissions across all sectors of society. The Story of CO₂ contributes to this vital conversation by highlighting the cutting-edge science and emerging technologies - a number of which are already commercially available - that can transform carbon dioxide into a myriad of products such as feedstock chemicals, polymers, pharmaceuticals, and fuels. This approach allows us to reconsider CO₂ as a resource, and to add "carbon capture and use" to our other tools in the fight against catastrophic climate change.The Story of CO₂ explores all aspects of carbon dioxide, from the atomic to the universal perspective, and takes the reader on an epic journey into our physical world, starting from the moment of the Big Bang, all the way to the present world in which atmospheric CO₂ concentrations continue to grow. This story seeks to inspire readers with the latest carbon utilization technologies and explain how they fit within the broader context of carbon mitigation strategies in the shift towards a sustainable energy economy.

Carbon dioxide. --- Carbon sequestration. --- Carbon dioxide mitigation --- Climatic changes. --- Captage et stockage du dioxyde de carbone --- Dioxyde de carbone. --- Changements climatiques. --- Technological innovations. --- Innovations technologiques.

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"This timely book provides a critical examination of the ways in which tax expenditures can be best used in order to enhance their efficacy as instruments for the implementation of environmental policy. Examining the capacity and limits of tax expenditures in financing environmental policy, Hope Ashiabor considers their use in various contexts and policies in order to clearly establish the common threads as well as any deviations that have emerged. The book outlines how, when used in environmental policy either to provide preferences to certain activities or to address the challenges of environmental degradation, the management of tax expenditures invariably results in unintended consequences that manifest in negative environmental outcomes and economic inefficiencies. It also examines some of the challenges encountered in re-structuring subsidies that have become environmentally harmful. Tax Expenditures and Environmental Policy will be of great interest to students and scholars in both tax and environmental law. It will also offer an essential tool for policy makers and practitioners through its focus on policy design and its doctrinal analysis"--

Fiscalité écologique --- Politique de l'environnement --- Environnement --- Taxe sur le dioxyde de carbone --- Politique énergétique --- Protection --- Subventions

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Les sols sont une ressource essentielle à préserver pour la production d’aliments, de fibres, de biomasse, pour la filtration de l’eau, la préservation de la biodiversité et le stockage du carbone. En tant que réservoirs de carbone, les sols sont par ailleurs appelés à jouer un rôle primordial dans la lutte contre l’augmentation de la concentration de gaz à effet de serre. Ils sont ainsi au centre des objectifs de développement durable (ODD) des Nations unies, notamment les ODD 2 « Faim zéro », 13 « Lutte contre le changement climatique », 15 « Vie terrestre », 12 « Consommation et production responsables » ou encore 1 « Pas de pauvreté ». Cet ouvrage présente un état des lieux des sols africains dans toute leur diversité, mais au-delà, il documente les capacités de stockage de carbone selon les types de sols et leurs usages en Afrique. Il propose également des recommandations autour de l’acquisition et de l’interprétation des données, ainsi que des options pour préserver, voire augmenter les stocks de carbone dans les sols. Tous les chercheurs et acteurs du développement impliqués dans les recherches sur le rôle du carbone des sols sont concernés par cette synthèse collective. Fruit d’une collaboration entre chercheurs africains et européens, ce livre insiste sur la nécessité de prendre en compte la grande variété des contextes agricoles et forestiers africains pour améliorer nos connaissances sur les capacités de stockage de carbone des sols et lutter contre le changement climatique.

Environmental Studies --- carbone --- agriculture --- Afrique --- développement --- écologie --- climatologie --- agronomie --- lutte contre le changement climatique --- changement climatique --- gaz à effet de serre --- forêt --- alimentation --- sol --- économie du développement

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The Global Carbon Cycle and Climate Change examines the global carbon cycle and the energy balance of the biosphere, following carbon and energy through increasingly complex levels of metabolism from cells to ecosystems. Utilizing scientific explanations, analyses of ecosystem functions, extensive references, and cutting-edge examples of energy flow in ecosystems, it is an essential resource to aid in understanding the scientific basis of the role played by ecological systems in climate change. This book addresses the need to understand the global carbon cycle and the interrelationships among the disciplines of biology, chemistry, and physics in a holistic perspective. The Global Carbon Cycle and Climate Change is a compendium of easily accessible, technical information that provides a clear understanding of energy flow, ecosystem dynamics, the biosphere, and climate change. "Dr. Reichle brings over four decades of research on the structure and function of forest ecosystems to bear on the existential issue of our time, climate change. Using a comprehensive review of carbon biogeochemistry as scaled from the physiology of organisms to landscape processes, his analysis provides an integrated discussion of how diverse processes at varying time and spatial scales function. The work speaks to several audiences. Too often students study their courses in a vacuum without necessarily understanding the relationships that transcend from the cellular process, to organism, to biosphere levels and exist in a dynamic atmosphere with its own processes, and spatial dimensions. This book provides the template whereupon students can be guided to see how the pieces fit together. The book is self-contained but lends itself to be amplified upon by a student or professor. The same intellectual quest would also apply for the lay reader who seeks a broad understanding." --W.F. Harris| Deputy Assistant Director, Biological Sciences, National Science Foundation (Retired); Associate Vice Chancellor for Research, University of Tennessee, Knoxville (Retired)Provides clear explanations, examples, and data for understanding fossil fuel emissions affecting atmospheric CO2 levels and climate change, and the role played by ecosystems in the global cycle of energy and carbonPresents a comprehensive, factually based synthesis of the global cycle of carbon in the biosphere and the underlying scientific bases Includes clear illustrations of environmental processes.

Carbon cycle (Biogeochemistry) --- Climatic changes. --- Changes, Climatic --- Changes in climate --- Climate change --- Climate change science --- Climate changes --- Climate variations --- Climatic change --- Climatic changes --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Global carbon cycle --- Biogeochemical cycles --- Environmental aspects --- Cycle du carbone. --- Climat --- Changements. --- Global environmental change --- Changements climatiques.