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21-30 of 31 for the Category : Energy and the Subcategory : Energy -GeneralHydroelectric energy
( Article Type: Explanation )
The first images that come to mind when thinking about hydropower are the large dams like Kariba and Cabora Bassa or perhaps the Gariep dam.
Read more about Hydroelectric energyMarine 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 EnergyNatural 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 ResourcesNon-Renewable Resources
( Article Type: Explanation )
Non-renewable resources are environmental resources that cannot be replenished. Once they have been used up, there will be no more. Most non-renewable resources are minerals, which are mined, for example, gold, iron ore, titanium.
Read more about Non-Renewable ResourcesNuclear Energy ~ The 'Pro' Position
( Article Type: Opinion )
Nuclear power has been with us for 50 years. The debate has been with us for almost as long. Protagonists on both sides repeat themselves ad nauseam. Nobody’s opinion is changed and the public is left wary, even alarmed, and no wiser than before. W
Read more about Nuclear Energy ~ The 'Pro' PositionRenewable 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 Energy - Power
( Article Type: Explanation )
Energy production in South Africa is mainly based on coal - a material that is finite and harmful to the environment and the climate.
Read more about Renewable Energy - PowerRenewable 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 Heating
