How did environmentalism begin?

The contemporary environmental movement arose primarily from concerns in the late 19th century about the protection of the countryside in Europe and the wilderness in the United States and the health consequences of pollution during the Industrial Revolution. Why was environmentalism started? The environmental movement seeks to protect the natural world and promote sustainable living. …

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What are the important chemical characteristics of solid waste?

The chemical properties of solid waste are composed of moisture content, volatile solid, ash content, CHNSO contents, calorific value and heavy metal. The moisture content of each material was measured through weight difference at 75ºC till a constant weight was acquired (USDA and USCC, 2002, [14]). What are the physical and chemical properties of solid …

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