Alexander von Humboldt once studied at the Mining Academy in Freiberg. Today researchers there are looking for new ways of obtaining mineral resources, such as high-tech drones and environmentally friendly methods of separating minerals from rock.
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Low wages, water shortage and acidified landscapes: Mining critical raw materials endangers human rights and the environment. Yet the industry is expanding.
The European Union has identified 30 raw materials as critical for industry. Their supply is endangered by conflicts, a weak rule of law and trade monopolies. And one nation controls more than all others.
Flying a drone on Mars will bring the planet closer to home. First, it's about getting off the ground, then bringing rocks back, and, eventually, people.
Cornflowers or potatoes? Wildflowers are disappearing due to increased fertilization in agricultural areas. An otherwise conventional farmer in Germany is testing organic farming methods — with varying success.
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