Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution.

https://en.wikipedia.org/wiki/Pollution

Grayscale Factory Pollution

»The pinnacle of military deployment approaches the formless: If it is formless, then even the ...

"Good judgement seeks balance and progress. Lack of it eventually finds imbalance and frustration."
President Eisenhower
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