Why the natural vegetation of the world is undergoing various changes?

The factors responsible for it are as follows: Growing demand for cultivated land to meet the food grain requirements. This has been caused by growing population of the country. Industrial development and mining that have resulted in forests being cleared away to enable access to resources

Explanation:

due to population increase land is needed to build houses. natural vegetation has undergone many changes in the recent past these have been caused by growing population of the country .industrial development and mining that have resulted in forests being cleared away to enable access to resources .