As The Governor of a state retiring 6000 computers each day, 35% of which are ol
ID: 114046 • Letter: A
Question
As The Governor of a state retiring 6000 computers each day, 35% of which are older, but usable for some of the most common computing needs. You are interested in using select sustainability indicators to compare the sustainability of state programs to (1) landfill the computers, (2) recycle the computers, and/or (3) place the computers in needy homes and with non-profit organizations.
a. Draw an objective tree that assigns weighting factors to all of the following impacts:
Environmental impacts: option greenhouse gas emissions, total TRI releases material recycled
Economic impacts: immediate cost to the state budget, immediate cost to the people retiring the computers
Social impacts: jobs created, change in the % state households with internet access ·
b. Using your results from part (a), Develop a weighted matrix to compare the options presented below. Assume a combination of options is not option(although that might be a good one). Investigate the implications of changing your weighting factors. Comment on your results.
Option 1: Landfilling Computers Option 2: Recycling Computers Option 3: Placing Computers Option green house gas emission 100 g CO2 equiv/computers 25 g CO2 equiv/computers 15 g CO2 equiv/computers Total TRI releases 100 g/ computers 40 g/ computers 4 g/ computers Material Recycled 0 kg/ computers 25 kg/ computers 0 kg/ computers Immediate cost to the state budget 0$ $25/ computers $15 /computers Immediate cost to the people retiring the computers $20/ computers $15 / computers $10/ computers Jobs Created 2 50 10 change in the % state households with internet access 0 0 75%Explanation / Answer
Answer:
Since, 6000 computers retires everyday and 35 % are old but still can be use means 2100 computers can be use by needy.
Landfilling Computers Recycling Computers Placing Computers
Option green house gas emission 390000gm 105000 31500
Total TRI releases 390000gm 84000 8400
Material Recycled 0 52500 0
Immediate cost to the state budget 0 52500 31500
Immediate cost to the people 78000 31500 21000
retiring the computers
Jobs Created 7800 105000 21000
change in the % state 0 0 157500
households with internet access
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