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Earth Wise
Randy Simon
20 episodes
2 days ago
The United States and China are considered to be the two superpowers vying for world dominance in the current era. Unlike the Cold War period in which military strength and then spaceflight was at the center of the competition, these days economic strength and domination of the energy future are the main focal points.
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Science
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The United States and China are considered to be the two superpowers vying for world dominance in the current era. Unlike the Cold War period in which military strength and then spaceflight was at the center of the competition, these days economic strength and domination of the energy future are the main focal points.
Show more...
Science
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Environmentally-friendly cement
Earth Wise
2 minutes
2 weeks ago
Environmentally-friendly cement
Concrete is the most abundant manufactured material in the world. It is primarily composed of water, cement, and aggregate (sand and gravel.) Cement manufacturing is responsible for about 8% of the world’s total CO2 emissions, primarily a result of the chemical reaction of heating limestone and the combustion of fossil fuels used to provide the heat.
Earth Wise
The United States and China are considered to be the two superpowers vying for world dominance in the current era. Unlike the Cold War period in which military strength and then spaceflight was at the center of the competition, these days economic strength and domination of the energy future are the main focal points.