Why is the collection of scrap metal and waste paper considered an important environmental measure?

1) Recycling of raw materials reduces its removal from nature,
2) as a result, the negative impact on nature associated with the extraction of raw materials is reduced, the raw material itself, energy, human labor are saved,
3) environmental pollution by waste is reduced.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.