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The atmosphere and the climate of the Earth changed a great deal during the past millions of years.
The use of bauxite, which is first processed into alumina and then into aluminum, can be harmful.
Mining is an important sector of the economy but it can cause irreversible damage to the...
Wind is one of the most important renewable energy source of our time.
Have you ever given any thought to what exactly happens to the waste you throw in the bin?
The most useful way to reduce mountains of waste is waste separation.
Have you ever given any thought to the origins of the energy your computer or TV uses?
Water on Earth is constantly in flux and is going through a cycle.