Land cleaning companies know how to make the area safe for construction. They not only cut visible vegetation and remove debris. They can also remove the roots of trees and shrubs so that unwanted plants do not try to take over in the future. Local companies are more familiar with regional plants and invasive species, and have the tools to clear the land quickly without high transportation costs.
Clearing is how units and universities fill the places they still have in their courses. From July 5 to October 18, you can apply for a course with Clearing if you don't have an offer from a university or institute yet, and the course still has places.
When trees, soil, and any contaminants or pesticides present in the soil are removed, it washes into nearby waterways. This leads to water pollution and algal blooms, and can even damage important aquatic habitats such as coral reefs.