DEBRIS
The remains of something that has been destroyed or broken up.

DEFORESTATION
The removal of forest stands by cutting and burning to provide land for agricultural purposes, residential or industrial building sites, roads etc ...

DESALINATION
Refers to any of several processes that remove excess salt and other minerals from water.

DESALINATION PLANT
A place where water is desalinated for human consumption.

DISSOLVENT
1.a solvent medium.  2. a medicine capable of dissolving concretions within the body.  3. solvent; capable of dissolving substances.

DUMP
Site where waste and rubbish – usually solid waste – are deposited.