Renewable energy – Doesn’t cost the earth

Renewable Energy

Solar Power

Since the beginning of time, people have been fascinated by the sun. Ancient civilizations personified the sun, worshipping it as a God or Goddess. Throughout history, farming and agriculture efforts have relied upon the sun’s rays to grow crops and sustain populations.

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Wind power

Wind power is the process of harnessing energy from the movement of the wind and converting it to useful forms of mechanical power and electricity. Today, most wind energy comes from turbines – essentially giant windmills. The wind turns two or three of the turbine’s propeller-like blades around the turbine’s rotor. The rotor is connected to a main shaft, which spins a generator to create electricity.

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In our discussions on renewable energy sources, we’ve already covered a few of the most common types of alternative energy, such as wind, solar, and bioenergy. For the next part in our series, we’ve compiled a brief introduction to and explanation of yet another form of renewable energy: geothermal.

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Biomass is the material derived from plants that use sunlight to grow which include plant and animal material such as wood from forests, material left over from agricultural and forestry processes, and organic industrial, human and animal wastes.

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Energy Saving

very time you buy a home appliance, tune up your heating system, or replace a burned-out light bulb, you’re making a decision that affects the environment. You are probably already aware that most of our biggest environmental problems are directly associated with energy production and use: urban smog, oil spills, acid rain, and global warming, to mention a few. But you may not realize just how big a difference each of us can make by taking energy use into account in our household purchasing and maintenance decisions. For an average household with two cars, energy used in the house accounts for more than half of its total energy expenditures.

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Smart home

When you enter your house, pleasant lighting comes on, the roller blinds and curtains go up. The system selects your favourite music, movie, or TV channel. You don’t need to nervously set the light level in the living room, surprised by guests – just press a button to change the scene (the feel) e. g. ‘a party’ or ‘guest visit’.

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