CADS 2000 FINAL EXAM QUESTIONS
AND ANSWERS GRADED A+ 2026
Sustainability - ANS -the quality of not being harmful to the environment or depleting natural
resources, and thereby supporting long-term ecological balance
-performed over and over without negative effects
-avoid exceeding global biocapacity
myths about sustainability - ANS 1. too hard to understand
2. synonym for "green"
3. all about the environment
4. means lowering our standard of living
5. too expensive
importance of sustainability - ANS 1. we have a finite amount of space (resources have their
limits)
2. our technology has its limit
economic footprint - ANS the effect that a person, company, activity, etc has on the
environment, e.g., the amount of natural resources that they use and the amount of harmful
gases that they produce
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
,DDT - ANS -key in opening eyes to impact of chemicals on the environment
-used extensively during WWII, against spread of diseases including malaria, typhus, and
dengue fever
-199, WHO mainly used to eradicate malaria
-less effective in tropical regions
-DDT became prime target in growing ecological movement
-1972, most uses of DDT were cancelled except for public health under certain conditions
Phosphates - ANS -1970, began to be banned from laundry detergent
-low toxicity, but excess can lead to harmful algae blooms and excessive aquatic plant growth
causing water quality problems
Framework of Sustainability - ANS -Environmental quality
-Economic productivity
-Social equity (HIGHLY integrated and cohesively interacting)
Environmental Aspects of Sustainability - ANS -diversity and interdependence within living
systems
-goods and services produced by ecosystems
-impacts of human waste
-green building design
-renewable energy
-green products
-recycling/waste reduction
-not littering/picking it up
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
, Economic Interests of Sustainability - ANS -Money is almost essential for getting by in todays
world
-financial objectives
-living within your means
-supporting ourselves so not a burden on others
Social Equity (Sustainability) - ANS -universal human rights and basic necessities are within
reach of everyone
-cultural rights are respected
-everyone is protected from discrimination
plastic in the ocean - ANS -plastic doesn't break down, but breaks down to microplastics and
can't be collected in a net and may be harmful to Marine animals
4 Rs of Sustainability - ANS reduce, reuse, recycle, replace/recover
reduce - ANS reduce consumption and waste; provide viable product end of life options
reuse - ANS salving, reusing, repair, refurbish, etc.
recycle - ANS recycle as many products/components as possible; sorting of materials-initial
and long term costs
replace/recover - ANS exchanging a polluting product for a more eco-friendly item that does
the same job; denaturalization-cutting/decreasing a products size
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
3
AND ANSWERS GRADED A+ 2026
Sustainability - ANS -the quality of not being harmful to the environment or depleting natural
resources, and thereby supporting long-term ecological balance
-performed over and over without negative effects
-avoid exceeding global biocapacity
myths about sustainability - ANS 1. too hard to understand
2. synonym for "green"
3. all about the environment
4. means lowering our standard of living
5. too expensive
importance of sustainability - ANS 1. we have a finite amount of space (resources have their
limits)
2. our technology has its limit
economic footprint - ANS the effect that a person, company, activity, etc has on the
environment, e.g., the amount of natural resources that they use and the amount of harmful
gases that they produce
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
,DDT - ANS -key in opening eyes to impact of chemicals on the environment
-used extensively during WWII, against spread of diseases including malaria, typhus, and
dengue fever
-199, WHO mainly used to eradicate malaria
-less effective in tropical regions
-DDT became prime target in growing ecological movement
-1972, most uses of DDT were cancelled except for public health under certain conditions
Phosphates - ANS -1970, began to be banned from laundry detergent
-low toxicity, but excess can lead to harmful algae blooms and excessive aquatic plant growth
causing water quality problems
Framework of Sustainability - ANS -Environmental quality
-Economic productivity
-Social equity (HIGHLY integrated and cohesively interacting)
Environmental Aspects of Sustainability - ANS -diversity and interdependence within living
systems
-goods and services produced by ecosystems
-impacts of human waste
-green building design
-renewable energy
-green products
-recycling/waste reduction
-not littering/picking it up
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
, Economic Interests of Sustainability - ANS -Money is almost essential for getting by in todays
world
-financial objectives
-living within your means
-supporting ourselves so not a burden on others
Social Equity (Sustainability) - ANS -universal human rights and basic necessities are within
reach of everyone
-cultural rights are respected
-everyone is protected from discrimination
plastic in the ocean - ANS -plastic doesn't break down, but breaks down to microplastics and
can't be collected in a net and may be harmful to Marine animals
4 Rs of Sustainability - ANS reduce, reuse, recycle, replace/recover
reduce - ANS reduce consumption and waste; provide viable product end of life options
reuse - ANS salving, reusing, repair, refurbish, etc.
recycle - ANS recycle as many products/components as possible; sorting of materials-initial
and long term costs
replace/recover - ANS exchanging a polluting product for a more eco-friendly item that does
the same job; denaturalization-cutting/decreasing a products size
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
3
