CS Impact on Environment Dr M Tanvir Afzal

CS Impact on Environment Dr. M. Tanvir Afzal

CS Impact on Environment Impact Analysis ü Computer Science has both positive and negative impacts on environment. 2

CS Impact on Environment Positive Impacts ü Paperless – Online reading and publishing. ü Americans use about 680 pounds of paper person, per year. ü This amounts to about 85 million tons of paper or 2 billion trees. 3

CS Impact on Environment Positive Impacts ü The average American household throws away 13, 000 pieces of paper (around 1 billion trees in total in USA) each year. Most in the form of packaging and junk mail. 4

CS Impact on Environment Negative Impacts ü In offices, people print unnecessarily. ü Computers are made from heavy metals (Lead, Mercury, Beryllium, Cadmium, PCV) when thrown away cause water contamination and air pollution. 5

CS Impact on Environment Negative Impacts ü E-waste is sent to developing countries where people extract materials from these electronics such as Gold, Silver, and Copper. ü They extract them by burning the substances and that process releases hazardous smoke into the air. 6

CS Impact on Environment Negative Impacts ü The people present around the e-waste gain diseases such as skin cancer, brain damage, lung cancer, kidney disease. ü Usage of energy. 7

Summary CS Impact on environment ü Positive Impacts ü Negative Impacts 8