1. Visual pollution

2. Visual pollution disturbs
the visual areas of people
by creating negative
changes in the natural
environment. Billboards,
open storage of trash,
space debris, telephone
towers, electric wires,
buildings and automobiles
are forms of visual
pollution.

3.  Light pollution, also
known as
photopollution or
luminous pollution,
is excessive,
misdirected, or
obtrusive artificial
light.

4.  Noise pollution is the
disturbing or
excessive noise that
may harm the activity
or balance of human
or animal life. The
source of most
outdoor noise
worldwide is mainly
caused by machines
and transportation
systems, motor
vehicles, aircraft, and
trains.

6.  Graffiti is writing or
drawings that have
been scribbled,
scratched, or
sprayed illicitly on a
wall or other
surface, often in a
public place