First of all, plants change the environment by saturating it with oxygen. It was thanks to plants in ancient times that the composition of the Earth’s atmosphere changed so much that ancient amphibians that emerged from water bodies could live and breathe on it. The more plants there were on the planet, the more its atmosphere was saturated with oxygen. In modern cities, plants, such as trees of certain species (poplars), are planted to absorb carbon dioxide and other harmful substances (vehicle exhaust).
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.