Respuesta :
Water Pollution
The introduction of harmful substances into rivers, oceans, lakes and ponds, which changes the physical, chemical or biological condition of the water is called water pollution.
Air Pollution
Air pollution is the result of emissions from the industries, automobiles, and increasing use of fossil fuels
Solid Waste Management
Solid-waste management is defined as the discipline associated with the generation, storage, collection, transfer and transport, processing, and disposal of solid waste in a manner that it does not have a harmful effect on the environment.
Deforestation
Deforestation is the depletion of trees and forests at an alarming rate. The trees provide us with oxygen, several raw materials and also maintain the temperature of the earth. As a result of the depletion of trees for commercial purposes, there has been a drastic change in the earth’s climate.
Overpopulation
The earth’s population is increasing rapidly. It is estimated to be more than seven billion. The increasing population has led to a shortage of resources. If this persists, it will be very difficult to sustain such a huge population.