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Uses of geothermal energy in food and agriculture

Opportunities for developing countries











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    Criteria and indicators for sustainable woodfuels 2010
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    Reliable, secure and safe energy sources are fundamental to the well-being and social and economic development of all societies. With growing pressure on energy resources and a heavy dependence on non-renewable fossil fuels, the world faces two key energy-related problems: the lack of a secure and affordable supply, and the threat of overconsumption leading to irreversible environmental damage. As part of the solution to these problems, many countries are looking increasingly to their biomass-en ergy resources. This publication focuses on one major source of biomass energy – woodfuels. In many developing countries, woodfuels are still commonly used for household cooking and heating and are also important for local processing industries. In many developed countries, wood-processing industries often use their wood by-products for energy production. In some countries, notably the Nordic countries, forest residues are increasingly used for industrial-scale electricity generation and heating . Several developing countries have enormous potential to produce energy from forests and trees outside forests, for both domestic use and export. However this potential is not often properly reflected in national energy-development strategies. This publication sets out principles, criteria and indicators to guide the sustainable use of woodfuel resources and the sustainable production of charcoal. It is designed to help policy- and decision-makers in forestry, energy and environment agencies, n on-governmental and other civil-society organizations and the private sector ensure that the woodfuel sector reaches its full potential as an agent of sustainable development.
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    Article
    Agroforestry: A panacea to energy production and food security in Nigeria
    XV World Forestry Congress, 2-6 May 2022
    2022
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    Agroforestry is an ancient practice with numerous benefits ranging from climate change to Energy supply, Shelter and structures, Plant resources, Biodiversity and Improving rural livelihood. In Nigeria the adoption of agroforestry systems varies across the different ecological zones; the practices in rainforest and derived savanna zones include homestead garden, taungya and alley farming, while scattered farm trees, shelterbelt and silvopastural are practiced in the savanna zones. Like every other developing country, Nigeria is faced with a major problem in the energy sector and it also faces the herculean task in feeding its ever-increasing population. However, these could be alleviated by annexing products and services available through Agroforestry value chain. Nigeria is greatly endowed with abundant biomass resources which serves as raw material for the production of green energy capable of meeting her energy needs. Wood fuel consist of four main commodities namely fuelwood (firewood), charcoal, black liquor (bio oil) and wood waste in the form of sawdust. Briquette fuel is also an alternative source of energy produced from forestry and agricultural materials such as sawdust, sugarcane, wastes and some dead woods. The multifunctional approach of Agroforestry system increases food production by increasing resilience of crops for improved food security through the combined production of trees and agricultural crops on the same piece of land for economic development. Available data has shown that there is a considerable increase in the quality and quantity of food crops and other agricultural produce using Agroforestry techniques such as Pastoral farming in the North, Home-garden in the East and Taungya farming system in the Western part of Nigeria. Considering the economic potential of agroforestry in food security and as renewable source of energy, various forms of agroforestry should be adopted based on its relevance to different ecological zones of Nigeria. Keywords: Agroforestry, Homestead, Biofuel, Briquette and Food Security ID:3476093
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    Bioenergy and food security (BEFS) assessment – Seychelles 2022
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    A sustainable and stable energy supply is essential for a country’s stability and wellbeing. Seychelles, like many small island developing states (SIDS), currently depends on imported energy, in the form of fossil fuels. The high dependence on fossil fuel imports means Seychelles is highly vulnerable to disruptions in global markets. The situation is exacerbated by a reliance on imported food, which accounts for about 70 percent of food consumption. To limit this dependence, it is aiming to increase its reliance on renewable energy to 15 percent by 2030, with a long-term ambition of using 100 percent renewable sources for electricity production. Sustainable bioenergy is one form of renewable energy that can be used to green a country’s energy mix. This Sustainable Bioenergy Assessment report for Seychelles looks at the potential for sustainable bioenergy within the country, considering the country context, conditions and delicate habitat. The report considers sustainable biomass sources from the agriculture, forestry and waste sectors. The assessment was conducted following the bioenergy and food security (BEFS) approach of FAO, and identifies a number of bioenergy pathways relevant for the country. Within the report, the different forms of biomass, their availability and viability are assessed. Livestock, crop and forestry residues, and the biodegradable portion of waste, otherwise destined for landfill, are among the sources of biomass considered. The use of these biomass types and amounts are then assessed from a technical and economic point of view, under different price scenarios, for the production of energy.

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