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11-20 of 21 for the Category : Energy and the Subcategory : Renewable & Alternative EnergyGeothermal Energy
( Article Type: Explanation )
Geothermal energy is thermal energy stored in the earth
Read more about Geothermal EnergyGreenwash
( Article Type: Explanation )
Greenwash is not a new concept. The term emerged from the Rio Earth Summit in 1992, and it entered the Concise Oxford Dictionary in 1999.
Read more about GreenwashMarine Energy
( Article Type: Explanation )
The oceans of the world are a huge source of untapped energy that, if properly harnessed, could greatly contribute to the ever increasing global energy demand.
Read more about Marine EnergyMethane
( Article Type: Explanation )
Methane is an odourless and colourless hydrocarbon gas produced either by natural or artificial anaerobic decomposition of organic material.
Read more about MethaneNatural Resources
( Article Type: Explanation )
‘Natural resources’ is the term used to describe the basic materials and resources that are produced through the earth’s own inherent natural processes and systems.
Read more about Natural ResourcesRenewable Energy & Energy Efficiency
( Article Type: Overview )
Modern Renewable Energy Systems and Energy Efficient Options are technically mature, commercially established, readily accessible and they are more or less just as expensive (or cheap) as the conventional option of grid.
Read more about Renewable Energy & Energy EfficiencyRenewable Resources
( Article Type: Explanation )
These are environmental resources that are continuously renewing themselves. For example, energy that is harnessed from the sun, wind and waves is renewable.
Read more about Renewable ResourcesSolar Energy
( Article Type: Sustainable Development )
Solar energy is radiation emitted by the sun; the light takes around 8 min 20 seconds to reach the earth's surface.
Read more about Solar EnergySolar Heating
( Article Type: Explanation )
South Africa's sunny skies are ideal for the installation and use of solar heating.
Read more about Solar HeatingWave Energy
( Article Type: Explanation )
The marine environment is the next major frontier for the harnessing of energy, with vast amounts of energy potentially available in the waves (driven by the wind) and tides (driven by the moon) of the seas worldwide.
Read more about Wave Energy
