Global Warming and Pollution

The meaning of pollution:
Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the ecosystem.
Forms and types of pollution:
Air pollution.
Water pollution.
Soil pollution.
Radioactive contamination.
Noise pollution.
Light and visual pollution.
Smog, acid rain, the hole in the ozone layer and the greenhouse effect between others.
All are serious problems for our world, and [...]