Low-carbon economy
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A low-carbon economy (LCE) is an economy which absorbs as much greenhouse gas as it emits. Greenhouse gas (GHG) emissions due to human activity are the dominant cause of observed climate change since the mid-20th century. There are many proven approaches for moving to a low-carbon economy, such as encouraging renewable energy transition, energy conservation, electrification of transportation, and carbon capture and storage. An example are zero-carbon cities.
Solar array at Nellis Solar Power Plant. These panels track the sun in one axis.
Image: Andasol Guadix 4
Image: Darling Wind Farm
Electricity generation
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Electricity generation is the process of generating electric power from sources of primary energy. For utilities in the electric power industry, it is the stage prior to its delivery to end users or its storage, using for example, the pumped-storage method.
A turbo generator
Dynamos and engine installed at Edison General Electric Company, New York, 1895
Wind turbines usually provide electrical generation in conjunction with other methods of producing power.
Large dams, such as Hoover Dam in the United States, can provide large amounts of hydroelectric power. It has an installed capacity of 2.07 GW.