Environment Flashcards

1
Q

What is the definition of sustainability?

A

developingthe needs of the
present without compromising the
future needs

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2
Q

Four factors to the postponed depletion

A
  1. scarcity increased the price
  2. extraction methods improved
  3. substitutes are developed
  4. recycling become viable
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3
Q

what is the triple bottom line

A
  • Ecology
  • Society
  • Economy
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4
Q

a minimum of ____ people starve to death each year

A

3,500,000

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5
Q

Rainforests are what?

A

the lungs of this planet

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6
Q

what is strong sustainability?

A

natural capital resources cannot be duplicated

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7
Q

what is weak sustainability?

A

natural capital resources can be duplicated

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8
Q

what is needed to support a nation from an ecological standpoint

A

actual landmass

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9
Q

who quoted “A minimum of 3,500,000 people will starve to
death this year, mostly children” and what year?

A
  • Dr. Paul Ehrlich
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10
Q

how many tonnes of e-waste are there

A

41.8 million tonnes

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11
Q

how much e-waste is recycled

A

6.5 million

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12
Q

what percentage of e-waste is composed of small electronics

A

7%

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13
Q

what are the conflict minerals

A

tantalum, tin, tungsten and gold.

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14
Q

what are the 3 primary energy sources

A
  1. nuclear
  2. fossil fuels
  3. renewable
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15
Q

what are the 3 secondary energy sources

A
  1. hydrocarbon
  2. hydrogen
  3. electricity
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16
Q

Cradle to grave

A

design -> useful life -> land fill

17
Q

recycle/down cycling

A

design -> useful life -> useful life -> land fill

18
Q

cradle to cradle

A

design -> useful life (repeat cycle)

19
Q

what is carbon sequestration

A

the removal and storage of CO2 from the earth’s atmosphere