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There is a large potential for energy recovery in compact systems like large industries and utilities. Together with energy conservation, it should be possible to dramatically reduce world energy consumption. The effect of this will then be: Reduced number of coal-fired power plants; Reduced airborne particles, NO x and CO 2 – improved air ...
Fair-use images should almost never be included as part of a general image gallery, because their "fair use" status depends on their proper use in the context of an article (as part of analysis or criticism). See Wikipedia:Fair use for details. An example of an exception might be a gallery of comparable screenshots from a video game as it ...
An image sometimes includes a familiar object to communicate scale. Such fiducial markers should be as culturally universal and standardized as possible: rulers, matches, batteries, pens/pencils, footballs (soccer balls), people and their body parts, vehicles, and famous structures such as the Eiffel Tower are good choices, but many others are possible.
(Meant to replace w:Image:Cascading Pie charts.png by User:Mierlo, which uses a pie chart with misleading numbers like 41% for solar heating, when it's actually 41% of 9% of 14% = 0.5%.) Values are taken from the pie chart, which is originally from the data in REN21 2006 global status report on renewables and the BP 2006 Statistical review ...
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English: Figure shows world energy consumption by fuel types (Oil, Natural Gas, Coal, Renewable energy, Nuclear). Data up to 2001 is historical; data from 2001 to 2025 is projection. The figure is based on data, published in "The International Energy Outlook", by U.S. Energy Information Administration.
Wikipedia:Picture of the day is an image which is automatically updated each day with an image from the list of featured pictures. The {{ POTD }} template produces the image shown above. Category:Wikipedia Picture of the day lists the different templates that can be used.
Forms of energy include the kinetic energy of a moving object, the potential energy stored by an object (for instance due to its position in a field), the elastic energy stored in a solid object, chemical energy associated with chemical reactions, the radiant energy carried by electromagnetic radiation, the internal energy contained within a ...