Pollution has been defined as the addition of any substance or form of energy to the environment at a rate faster than the environment can accommodate dispersion, breakdown, recycling or storage in some harmless form. In simpler terms, pollution means the poisoning of the environment by Man.
Pollution has accompanied mankind ever since groups of people settled down in one place for a long time. It was not a serious problem during primitive times when there was more than ample space available for each individual or group. …
E-pasta adrese, uz kuru nosūtīt darba saiti:
Saite uz darbu: