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Alternative Energy Tutorials on Renewable Energy

Sustainable Development

sustainable development

Sustainable development is about management and development of our energy needs so that they meet the requirements of the present day without compromising the ability of our future generations to meet theirs. The scarcity of clean drinking water, energy, and arable land for food crops all have an impact on climate change as the dependency on fossil fuels increases. Sustainable consumption and production is about managing the worlds resources in a controlled and cleaner way.

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Freshwater Production

water

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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Hydrogen Energy

hydrogen energy gas

Hydrogen energy from a renewable energy perspective is a low-carbon energy supply we can use to power our homes and cars. Green hydrogen is a clean energy source which can play an important role in reducing the global requirements of fossil fuels. The use of hydrogen energy can provide the bridge between the variable output from solar photovoltaics and wind turbines as well as becoming a lowest-cost option for storing large quantities of electrical energy. Hydrogen and hydrogen-based transportation fuels can help transport renewable energy sources over longer distances

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Energy Conservation

energy conservation

Energy Conservation is about reducing your homes energy usage by designing a more energy-efficient building. Lowering a buildings utility bills not only saves you money but benefits the environment, and makes for a more comfortable home. Energy efficient and renewable energy components such as upgrading lighting circuits and fixtures to LED, strategic insulation and glazing to reduce your homes peak heating and cooling demands, or the installtion of solar photovoltaic panels, all add towards a more energy efficient home

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Geothermal Water

geothermal pipes

Geothermically heated waters have been used over thousands of years for bathing and healing in an attempt to cure numerous health related issues. Geothermal waters are associated with active areas of volcanic activity were rainwater that has percolated down major faults and fractures is heated by molten rocks at great depths in the crust before being returned to the surface naturally to form hot pools and springs. The temperature range of geothermally heated water depends on the heat flow and the geological setting ranging from warm water at low pressures to very hot geyser springs were the water explodes out of the ground at high pressures accompanied by steam

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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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Geothermal Heat Pumps

geothermal pipes

Geothermal heat pumps are devices used to utilise the energy stored in the ground. The use of the ground and its soil as a potential heat source for heat pumps exploits the vast quantities of solar energy stored in the ground. The ground acts as a seasonal storage element for the suns solar energy and at depths of one metre, the changes in ground temperature is small throughout the year. Depending on the thermal conductivity of the ground soil, ground source heat pumps using horizontal coils of pipes, vertical shafts or trapped groundwater pools extract heat enegy from the ground and use it to heat our homes

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Tidal Energy from the Sea

tidal turbine generator

Tidal energy technologies are constantly being developed to meet our ever increasing energy needs and reduce our fossil fuel footprint. Several technologies have emerged to harness the energy of the seas from hydrokinetic tidal turbines in open water to submerged tidal stream devices. While renewable forms of energy from our oceans are important for a low-carbon sustainable future, their positioning along the coastline and use must not have a negative impact on the local marine ecosystem, its wildlife or the environment. Tidal energy from the sea is a green technology and a promising sources of renewable energy globally

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Geothermal Energy

geothermal pipes

Geothermal energy works by extracting the free and reliable heat energy deep within the earths core. Today there are different technologies available which can harness this immense, renewable, and low or zero emissions energy resource. Hydrothermal systems are the most common source of geothermal energy production around the world exploiting the hot water and/or steam trapped deep underground in fractured or porous rock formations. Hydrothermal sources can be used directly to heat buildings, greenhouses, and swimming pools, or used to produce steam for electrical power generation. The technology used to convert geothermal energy into an important energy resource for our world is well established and known

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Alternative Energy Sources

stand alone pv system

Alternative energy sources to meet energy supply demands are wide and varied. Alternative or renewable energy sources are naturally made and of an abundance, such as, solar, wind and hydro power, river and water, geothermal energy, biomass, biogas and other organic fuels used to generate electricity and heat. The planet offers a great potential of alternative and renewable energy sources for the production of electricity, heating, cooling and transportation saving us money and guaranteeing that our grandchildren and great grandchildren will have enough energy for the future

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