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Deforestation has a negative impact on the environment.
The main sources of water pollution are industry, agriculture and urban areas.
This animation presents animals commonly kept as livestock and the primal cuts of their meat.
Tourism is a significant sector of the economy that grows continuously all around the world.
The rolling highway (Rollende Landstrasse) is an environmental friendly way of transport where...
The phenomenon of the brain drain causes one of the most significant tensions between developing...
This animation demonstrates instruments used to examine atmospheric phenomena.
The Global Positioning System consists of 24 satellites but only 4 have to be visible for...