Assignment 8 Flashcards

1
Q

Why does CCS technology require a lot of energy?

A

Separating CO2 from air requires a lot of energy.

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2
Q

Most effective way of transporting captured CO2 from power stations to storage sites in North America?

A

Pipelines.

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3
Q

Most effective way of storing captured CO2 in Canada?

A

In depleted oil fields.

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4
Q

Four criticisms of CCS technology for emissions mitigation?

A

Not yet ready.

Wastes energy.

Expensive.

Storage risks.

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5
Q

Solar radiation technique most likely to succeed in offsetting global warming?

A

Adding aerosols to atmosphere.

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6
Q

Why is better forest management unable to offset fossil fuel emissions of CO2?

A

Required forest area is too large.

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7
Q

How can large-scale generation of sea spray help cool the planet?

A

Make marine clouds brighter via aerosol indirect effect.

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8
Q

Four major problems with best solar radiation management technique?

A

Ocean acidification continues.

Need to do it continually.

Can threaten ozone layer.

Weakens hydrological cycle.

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9
Q

How does biochar differ from slash and burn?

A

Biochar heats crop waste without oxygen, produces charcoal with no CO2 emissions.

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10
Q

Which Climate Change Conference saw the 2 degrees C maximum warming target first agreed to?

A

Copenhagen, 2009.

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11
Q

What type of countries were not part of Kyoto Protocol emission reductions?

A

Developing countries.

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12
Q

What is the “Green Climate Fund” that was agreed to in Cancun in 2010?

A

Wealthy countries donate funds to help developing countries deal with climate change.

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13
Q

What does NDC stand for? Where and when does it originate?

A

Nationally Determined Contributions.

Paris, 2015.

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14
Q

Besides monetary savings from averted climate change damages, what is the other large monetary savings benefit from Stanford WWS plan?

A

Reduced health care costs because of improved air quality.

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15
Q

Why is the baseline scenario target a poor choice as a mitigation target?

A

Artificially high future emissions can be used as the basis for the amount of reduction.

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16
Q

Define what is meant by the term “emissions gap.”

A

Difference between future committed emission reduction and what is needed to achieve a certain temperature target.

17
Q

Four negative emissions technologies that do not involve biomass?

A

Accelerated weathering.

Direct air capture.

Ocean alkalinity enhancement.

CO2 to durable carbon.