Methanogenesis Process
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Chemical and Biogeochemical Processes at Methane and Other Cold Seeps
Methane is a strong climate-active gas, the concentration of which is rapidly increasing in the atmosphere. Vast methane reservoirs are hosted in seafloor sediments, both dissolved in pore fluids and trapped in gas hydrate. Cold seeps discharge significant amounts of this methane into the ocean. The rate of seabed methane discharge could be orders of magnitude higher than current estimates, creating considerable uncertainty. The extent of methane transfer from the seafloor to the water column and ultimately to the atmosphere is also uncertain. The seepage of methane and other hydrocarbons drives complex biogeochemical processes in marine sediments and the overlying water column. Seeps support chemosynthesis-based communities and impact the chemistry of the water column. Seeps may also play a critical role in ocean acidification and deoxygenation and can be geohazards, as well as a potential energy resource. Unraveling the complex and dynamic interactions and processes at marine seeps is crucial for our understanding of element cycling in the geo- and hydrosphere.
Advanced Organic Waste Management
Advanced Organic Waste Management: Sustainable Practices and Approaches provides an integrated holistic approach to the challenges associated with organic waste management, particularly related to sustainability, lifecycle assessment, emerging regulations, and novel approaches for resource and energy recovery. In addition to traditional techniques, such as anaerobic digestion, composting, innovative and emerging techniques of waste recycling like hydrothermal carbonization and vermicomposting are included. The book combines the fundamentals and practices of sustainable organic waste management with successful case studies from developed and developing countries, highlighting practical applications and challenges. Sections cover global organic waste generation, encompassing sources and types, composition and characteristics, focus on technical aspects related to various resource recovery techniques like composting and vermicomposting, cover various waste-to-energy technologies, illustrate various environmental management tools for organic waste, present innovative organic waste management practices and strategies complemented by detailed case studies, introduce the circular bioeconomy approach, and more. - Presents the fundamentals and practices of sustainable, organic waste management, with emerging regulations and up-to-date analysis on environmental management tools such as lifecycle assessment in a comprehensive manner - Offers the latest information on novel concepts and strategies for organic waste management, particularly zero waste and the circular bioeconomy - Includes the latest research findings and future perspectives of innovative and emerging techniques of waste recycling, such as hydrothermal carbonization and vermicomposting
The Sustainability Handbook, Volume 2
The Sustainability Handbook provides a comprehensive and holistic understanding of sustainability, bridging the gap between academic theory and business practices. Global climate change poses enormous environmental challenges, and societies across the world must adapt and innovate to further the goals of sustainability for present and future generations. The private sector especially must find new ways of doing business to align their practices with the Sustainable Development Goals (SDGs) adopted by the international community. Using a conceptually structured framework throughout, the book examines the latest academic research to summarize what environmental, social, and economic sustainability actually means in different contexts. Using numerous specific case studies and insights from industry leaders, the book shows how to strategically integrate sustainability into the organization, with extensive focus on policies, incentives, measures, operations, production, consumption, and lifecycle management. Volume 2 explores the concept of Radical Sustainability within an enterprise and why it is needed. With examples from zero waste to eliminating use of rare earth resources, triggering sustainable practices to cause related marketing, and sustainability responsibility to external transparency over internal incidents, this volume offers practical solutions for those who desire to progress from a Sustainable Strategy to an effective Sustainability Portfolio Management approach. Underpinned by international research-based evidence, it explores associated trends and drivers within the marketplace and how innovative environmental, social, economic and governance aspects can be considered and solutions applied. For researchers, students, and businesspeople at all levels and sectors, this handbook is an essential reference of the latest sustainability tools and methodologies required to adapt and innovate towards sustainability. - Provides step-by-step guidance on key procedures and methodologies - Presents chapters that begin with a graphical representation of how the topic fits within the larger framework - Includes extensive coverage of sustainability-related case studies and lessons learned