Scientists claim that from about the 1960s-70s. changes in the environment under the influence of man have become worldwide, i.e. affecting all countries of the world, without exception, therefore they began to be called global. Among them, the most relevant:
• Earth’s climate change;
• air pollution;
• destruction of the ozone layer;
• depletion of fresh water and pollution of the oceans;
• land pollution, soil cover destruction;
• impoverishment of biological diversity, etc.
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.