Biogas can be produced from organic material (manure, plant waste, organic waste) using...
Raw iron is produced from iron ore in iron smelters.
The purpose of the electricity supply network is to provide electricity for consumers.
This animation demonstrates instruments used to examine atmospheric phenomena.
Satellites orbiting the Earth can be used for civilian or military purposes.
Transport planning that involves two distinct parts of a major city is no mean feat. Especially...
The main sources of water pollution are industry, agriculture and urban areas.
The rolling highway (Rollende Landstrasse) is an environmental friendly way of transport where...