Changing land use – Odd one out

The video tutorial discusses various methods of land regeneration, such as draining marshes, clearing old industrial land, and replanting trees. It highlights that creating landfills is the odd one out, as it does not contribute to regenerating land. The focus is on understanding the environmental impact and purpose of each method.

In what way is creating landfills different from the other methods mentioned?

What are the common goals of draining marshes, clearing old industrial land, and replanting trees?