by abusing the nature...and by the polution..
Dirty Surroundings
Dirty surroundings can be caused by a person not cleaning their home properly. Other causes are poor drainage systems, illegal dumping, and littering.
Spread of diseases, climate change, environmental change, destruction of the ozone layer, and others.
Ecology
Because we get dirty.
make stuff dirty
because it makes you dirty
because when it evaporates it takes all the heat in the surroundings with it leaving a cooling effect on the surroundings around it.
If it is dirty enough it will effect performance and fuel mileage.
its dirty!!
everybody will run away from him.
environment