Green technology is technology that promotes obtaining energy from renewable resources and avoids squandering the non-renewable resources of the earth. It also promotes technology that does not further global warming. Examples of non-renewable energy sources which should be minimized are fossil fuel materials including coal, oil, and natural gas. Examples of renewable energy sources are wind, solar, and flowing water. Global warming is due to manmade emission of gases into the atmosphere that trap heat in the atmosphere preventing that heat from rising away from the earth, thus warming the earth. If we continue to over-use fossil fuels, we will run out of those fuels, and the gases produced by burning those fuels will continue to warm the earth to the point where it will become uninhabitable. Humanity is approaching the point where we are seeing the beginning of the bad effects of fossil fuel burning in the form of droughts and brush fires.
The green shield earrings with imprinted cogwheels displayed above are symbols of green technology. They are symbols of a forward thinking woman. You can purchase those earrings at GREEN SHIELD EARRINGS - Earrings - Handcrafted Lampwork Glass Beads, Pendants, and Wirewrap, Viking Knit, and Bead Crochet Jewelry. (beadshaper.com)
You can read more about global warming at Causes | Facts – Climate Change: Vital Signs of the Planet (nasa.gov)
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