Question

Identify and discuss examples of how human interventions have changed ecosystems and ways that theses interventions affect human health.

Answer 1

Human activity	Affect on ecosystem	Affect on human health
Burning of fossil fuels	causes air pollution, increases global temperature, melting of glaciers, harmful to biodiversity	respiratory diseases, skin disorders, eye diseases
Deforestation	loss of green cover, loss of wildlife, floods, draughts, soil erosion, deterioration of soil, water and air resources, loss of forest based resources, impact on agriculture	less amount of food and forest based resources, deteriorates quality may be useless due to less nutrients causing deficiency diseases
Pollution of water bodies	harm to aquatic life, quality of drinking water and water for irrigation reduces	water borne diseases like cholera, typhoid and breeding grounds for mosquitoes causing malaria, dengue
Population burst	removal of forests to create urban areas, more utilization of resources causing their depletion	affects quality of life, disrupts mental health
Exploitation of resources	depletion and deterioration of resources	loss of medicinal plants and important herbs affect treatment of diseases

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