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Infographic: Three Types of Coal Mining — Process and Facts

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Opencast mining involves scraping at the ground's surface, while room and pillar mining occurs below ground. Likewise, longwall mining uses heavy machinery to dig at coal seams beneath the surface: learn more in this interactive inforgraphic.

India and Pakistan Dispute Water Use for Hydropower, Agriculture

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India strives to redirect water, currently used for Pakistani agriculture, on the Kishanganga River for 330 megawatts.

Zafar Adeel: A Conversation With the New Chair of UN-Water

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Circle of Blue reporter Brett Walton spoke with Zafar Adeel, the new chair of UN-Water.

India Cities Focus on Rainwater Harvesting to Provide Clean Drinking Water

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Many Indian cities lack sufficient water supplies. Urban growth is making it difficult and expensive to build the dams, pipelines and canals used in the modern era to supply cities with water. In comparison, rainwater harvesting systems are a low-cost, low-impact way for cities to increase supplies.

Michigan Looks Forward and Sees a New, Blue Economy

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Business and government leaders in Southeast Michigan want to move beyond the green economy to a blue one, leveraging the state’s plentiful freshwater access for its economic advantage.