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2. Openclipart - Wikipedia

   en.wikipedia.org/wiki/Openclipart

   Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".

3. Energy conservation - Wikipedia

   en.wikipedia.org/wiki/Energy_conservation

   Energy conservation is the effort to reduce wasteful energy consumption by using fewer energy services. This can be done by using energy more effectively (using less and better sources of energy for continuous service) or changing one's behavior to use less and better source of service (for example, by driving vehicles which consume renewable ...

4. Conservation of energy - Wikipedia

   en.wikipedia.org/wiki/Conservation_of_energy

   This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Law of physics and chemistry This article is about the law of conservation of energy in physics. For sustainable energy resources, see Energy conservation. Part of a series on Continuum mechanics J = − D d φ d x {\displaystyle J=-D{\frac {d\varphi }{dx}}} Fick's laws of diffusion Laws ...

5. These hot rocks can glow brighter than the sun. They could ...

   www.aol.com/news/hot-rocks-glow-brighter-sun...

   At some point in the dawn of humanity, a smarter-than-average homo sapien moved a rock away from the fire for warmth and invented the thermal battery.

6. Clip art - Wikipedia

   en.wikipedia.org/wiki/Clip_art

   Examples of computer clip art, from Openclipart. Clip art (also clipart, clip-art) is a type of graphic art. Pieces are pre-made images used to illustrate any medium. Today, clip art is used extensively and comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in a digital form.

7. Renewable energy sculpture - Wikipedia

   en.wikipedia.org/wiki/Renewable_energy_sculpture

   A renewable energy sculpture is an artwork that produces power from renewable sources, such as solar, wind, geothermal, hydroelectric or tidal. Such a sculpture is functionally both a renewable energy generator and a work of art , fulfilling utilitarian, aesthetic, and cultural functions.

8. Efficient energy use - Wikipedia

   en.wikipedia.org/wiki/Efficient_energy_use

   From the point of view of an energy consumer, the main motivation of energy efficiency is often simply saving money by lowering the cost of purchasing energy. Additionally, from an energy policy point of view, there has been a long trend in a wider recognition of energy efficiency as the "first fuel", meaning the ability to replace or avoid the ...

9. Christian views on environmentalism - Wikipedia

   en.wikipedia.org/wiki/Christian_views_on...

   Christian views on environmentalism vary greatly amongst different Christians and Christian denominations. Green Christianity is a broad field that encompasses Christian theological reflection on nature , liturgy , and spiritual practices centered on environmental issues , as well as Christian-based activism in the environmental movement .