System that satisfies consumers’ demands of water supply, wastewater disposal, electricity, heat...
The protective embankment, or, in case of minor floods, the summer dyke ensures the protection...
The huge dam built on the Colorado river in the US was named after a former American President.
Satellites orbiting the Earth can be used for civilian or military purposes.
Learn about the history and economic operation of the European Union.
The main sources of water pollution are industry, agriculture and urban areas.
The Kepler space telescope was launched by NASA to discover Earth-like planets orbiting other stars