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Alternative Energy Tutorials on Energy Articles

Low Pressure Micro Hydro Power

Micro Hydro Weir

Low pressure micro hydro power scheme is another type of hydropower technology which uses low-pressure, low-head turbines to generate electricity without the need for dams or water impoundment. Micro hydro power is another renewable energy source with a low environmental impact and having several advantages over the use of fossil fuels as it is a non-polluting, renewable resource causing minimal environmental disruption to both the river and the native ecology.

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Rainwater Harvesting

rainwater harvesting

Rainwater harvesting is a sustainable strategy that saves and reuses rainwater for use in the garden or home reducing the demand on clean drinking water. Rainwater and storm water runoff from roofs or impermeable paved areas is collected in rainwater tanks or containers for consumption in the garden. Rainwater harvesting is dependent on both run-off area and the environmental weather conditions of the collected rain water but rainwater harvesting continues to be a sustainable solution for most gardeners.

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Freshwater Production


Freshwater production technologies can help sustain all the life here on Earth with access to clean drinkable freshwater supplies being a major human need. Water is the most essential ingredient for our bodies so having access to fresh clean drinking water is vital. Desalination plants and large scale solar stills are being installed and used all over the world in order to satisfy the freshwater demand in countries where access to fresh clean drinking water can sometimes be a challenge

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Sustainable Food Production

sustainable food

Sustainable food and agricultural systems grow and ensures food safety and nutrition for all in such a way that the economic, social and environmental conditions used to produce the food is not compromised for future generations. Creating a sustainable food future to nutritiously feed an ever growing world population in ways that can help against food poverty, meet climate change goals while reducing the loss of habitat, freshwater depletion and pollution, and other environmental impacts of farming is a major goal of sustainable food production

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Waste To Energy Conversion

waste to energy

Waste to Energy Conversion reduces the environmental impact of sending municipal waste to landfill. Better solid waste management systems around the world are now extracting the energy from waste materials by thermal or biological means to generate electricity. The management and treatment of solid waste by thermal pyrolysis and gasification technologies is the economically viable approach for the management of solid wastes. Biochemical and biological technologies which use living organisms and microbes is more suited to liquid slurry wastes allowing waste energy to be a form of recycled energy

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Renewable Energy A Sustainable Energy Source

types of alternative energy

Renewable energy sources are vast in scope and type from solar thermal and photovoltaic energy, hydro (tide, wave and ocean energy), wind power, geothermal energy as well as all forms of biomass products from biological wastes to liquid biofuels. Renewable sources of energy for home cooking, heating and transportation are becoming more widespread as our reliance on more traditional fossil fuels reduces. Renewable energy as a sustainable energy resource reduces greenhouse gas emissions with the development of energy from renewable sources increasing energy efficiency

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Energy Efficiency

roof solar panels

Energy efficiency is about more than just switching off a few lights at home its about being aware of your homes energy consumption and changing your behaviour to save energy. Technology plays a part in all our lives but there are many systems available today that use technology in our homes and buildings to reduce their energy costs. Smart building automation, heating and ventilation systems can allow for lower energy consumption and energy savings campared to older systems. Improvements in LED lighting, windows, thermal insulation of walls and roof spaces can all help to reduce heat loss

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Grey Water and Wastewater Recycling


Grey water and wastewater recycling has many uses in both the home and garden. With increased pressure on the world’s freshwater sources, climate change, population growth and water scarcity, there is a growing need to manage water resources in a more sustainable manner. The use of recycled water which was previously considered unusable has become an increasingly important source of water for irrigation and garden use. Waste water collected from roofs, showers, baths, washbasins, and washing machines can all be reused as greywater both reducing the amount of freshwater consumption, but also the volume of water discharged into the sewerage system

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Turning Your Roof into an Energy Saving Feature

living roof garden image

Turning your roof into an energy saving feature is not as crazy as it sounds. Green roofs have many energy-saving and environmental benefits as well as helping to manage stormwater, provide shade, control temperatures, reduce airborne emissions and provide a green outdoor environment for wildlife and birds. Greening your roof with a layer of vegetation helps form a barrier to the sun’s radiation preventing high indoor temperatures and with a green roof’s soil and vegetation layer absorbing and filtering rain water, turning your roof into a green roof increases its energy performance and limits stormwater runoff

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Alternative Energy

stand alone pv system

Alternative Energy technologies are a way for the future planet to secure clean and efficient sources of energy. Solar energy is by far the most resourceful source of energy for the future but over the last decades there has been a flurry of activities in the field of alternative energy and renewable energy technology to reduce our dependence on traditional fossil fuels. Alternative energy is the generic name used to encompass everything that is not based on fossil fuel consumption with solar, wind, biomass, and marine technologies being the major ones. These alternative energy sources offer a green, clean and sustainable future but at what cost to the environment

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