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Displaying 676 - 680 of 1605Security aspects of future renewable energy systems–A short overview
Energy security is sometimes used to advocate renewable energy systems. Renewable energy systems can improve some aspects of security, but they will not automatically lead to the removal of all types of security problems and new problems will most certainly arise. This paper analyses energy security aspects of renewable energy systems on the basis of a broad typology on energy and security.
Stakeholder dynamics in bioenergy feedstock production; The case of Jatropha curcas L. for biofuel in Chhattisgarh State, India
Through careful management and policy formulation, modern bioenergy programmes could be important for rural development globally. Discussions over sustainable bioenergy use are focused on high level mechanisms (e.g. certification and legislation), led by developed world institutions. Full stakeholder participation, involving all relevant groups, is vital to successfully incorporating sustainability into planning.
Clarity versus complexity: Land-use modeling as a practical tool for decision-makers
The last decade has seen a remarkable increase in the number of modeling tools available to examine future land-use and land-cover (LULC) change. Integrated modeling frameworks, agent-based models, cellular automata approaches, and other modeling techniques have substantially improved the representation of complex LULC systems, with each method using a different strategy to address complexity. However, despite the development of new and better modeling tools, the use of these tools is limited for actual planning, decision-making, or policy-making purposes.
Modelling trace metal background to evaluate anthropogenic contamination in arable soils of south-western France
The trace metal (TM) content in arable soils has been monitored across a region of France characterised by a large proportion of calcareous soils. Within this particular geological context, the objectives were to first determine the natural levels of trace metals in the soils and secondly, to assess which sites were significantly contaminated. Because no universal contamination assessment method is currently available, four different methods were applied and compared in order to facilitate the best diagnosis of contamination.
Wasted waste—Disappearing reuse at the peri-urban interface
Safe and sustainable management of waste presents a major challenge in cities in the Global South. For decades farmers in the peri-urban interface (PUI) have used biodegradable components of urban waste as inputs into their farming practices. Evidence from Kano, Nigeria; Kumasi, Ghana; Hubli-Dharwad and Kolkata, India reveals in rare detail how urban waste reuse plays an important role in the livelihood strategies of lower-income families nd while waste farming also contributes significantly to urban food security.