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[26] These two influential scholars helped lay the foundation for a concrete environmental education program, known as nature study, which took place in the late 19th and early 20th century. The nature study movement used fables and moral lessons to help students develop an appreciation of nature and embrace the natural world. [27]
One area of the concrete life cycle worth noting is its very low embodied energy per unit mass. This is primarily because the materials used in concrete construction, such as aggregates, pozzolans, and water, are relatively plentiful and can often be drawn from local sources. [18]
The Concrete Sustainability Council is an industry organization and standards body focused on decreasing the environmental impact of cement, concrete, and aggregate. [ 1 ] [ 2 ] The group was originally launched by the World Business Council for Sustainable Development as the Concrete Sustainability Initiative in 2013.
Concrete from a building being sent to a portable crusher. This is the first step in recycling concrete. Crushing concrete from an airfield. Concrete recycling is the use of rubble from demolished concrete structures. Recycling is cheaper and more ecological than trucking rubble to a landfill. [1]
It stimulates an understanding of the science behind issues, and the consequences to society and the environment. A multi-faceted approach to examining issues highlights the complexities of real-life debates. Students also become aware of the various motives for decisions that address environmental issues.
One distinction is that sustainability is a general concept, while sustainable development can be a policy or organizing principle. Scholars say sustainability is a broader concept because sustainable development focuses mainly on human well-being. [23] Sustainable development has two linked goals. It aims to meet human development goals.
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Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material. [2] Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminium combined. [3]