Pests can be controlled without the subsequent danger of polluting the ecosystem by

Pests can be controlled without the subsequent danger of polluting the ecosystem by increasing the population of the natural enemies of the pest. Natural enemies of pests can be other organisms such as predators, parasites, or pathogens, that can help to control the pest population naturally. By increasing the population of these natural enemies, pests can be controlled without using harmful chemicals that can pollute the environment. This method of pest control is known as biological control or biocontrol, and it involves the release of natural enemies or the creation of conditions that encourage their natural presence in the ecosystem. Biocontrol is an effective and sustainable method of pest control that can help to reduce the use of pesticides and promote a healthy ecosystem.