What is the primary goal of climate engineering?
A) To increase fossil fuel use
B) To artificially modify Earth’s climate
C) To enhance global warming
D) To reduce renewable energy dependence
Which of the following is a major method of geoengineering?
A) Solar Radiation Management (SRM)
B) Oil drilling
C) Deforestation
D) Groundwater extraction
What is the primary purpose of Carbon Dioxide Removal (CDR) techniques?
A) To release more CO₂ into the atmosphere
B) To store and remove CO₂ from the atmosphere
C) To convert CO₂ into methane
D) To increase atmospheric carbon levels
Which geoengineering technique aims to reflect sunlight away from Earth?
A) Ocean fertilization
B) Cloud seeding
C) Stratospheric aerosol injection
D) Carbon capture and storage
Which substance is commonly proposed for stratospheric aerosol injection?
A) Sulfur dioxide
B) Carbon monoxide
C) Nitrogen oxide
D) Ammonia
Which geoengineering technique involves increasing phytoplankton growth to absorb CO₂?
A) Cloud brightening
B) Biochar application
C) Ocean fertilization
D) Carbon capture
Which of the following is a risk of geoengineering?
A) Increased volcanic eruptions
B) Unintended climate shifts
C) Permanent reduction in CO₂ levels
D) Reduction in renewable energy sources
Which country has conducted small-scale geoengineering experiments?
A) Canada
B) United Kingdom
C) China
D) All of the above
What is a potential side effect of Solar Radiation Management?
A) Increase in ocean acidification
B) Permanent elimination of CO₂
C) Complete stop of global warming
D) Enhanced plant growth
Which method of carbon dioxide removal involves capturing CO₂ from the air and storing it underground?
A) Ocean seeding
B) Direct Air Capture (DAC)
C) Cloud brightening
D) Solar shading
Which type of geoengineering aims to modify cloud properties to reflect more sunlight?
A) Stratospheric aerosol injection
B) Carbon capture and storage
C) Marine cloud brightening
D) Reforestation
What is the main concern regarding geoengineering governance?
A) Lack of international regulations
B) Too much government control
C) High costs of implementation
D) Public support
Which of these geoengineering techniques involves turning agricultural waste into carbon-rich material?
A) Stratospheric injection
B) Ocean fertilization
C) Biochar application
D) Cloud brightening
Why is geoengineering considered controversial?
A) It is 100% effective and solves all climate issues
B) It may have unpredictable side effects
C) It permanently stops global warming
D) It makes fossil fuels obsolete
Which geoengineering method mimics volcanic eruptions?
A) Ocean fertilization
B) Stratospheric aerosol injection
C) Biochar application
D) Direct air capture
What is the biggest challenge in using geoengineering to stop climate change?
A) Its high success rate
B) Global cooperation and regulation
C) Lack of public awareness
D) No side effects
Which organization has discussed geoengineering regulations?
A) NASA
B) Intergovernmental Panel on Climate Change (IPCC)
C) World Health Organization (WHO)
D) Greenpeace
What is one advantage of reforestation as a geoengineering technique?
A) It permanently removes CO₂ from the atmosphere
B) It produces sulfur dioxide
C) It reduces cloud formation
D) It makes the air warmer
Which of the following is NOT a geoengineering method?
A) Carbon sequestration
B) Stratospheric aerosol injection
C) Burning more fossil fuels
D) Ocean fertilization
Which geoengineering method uses large-scale mirrors in space to reflect sunlight?
A) Space-based solar shields
B) Biochar application
C) Ocean seeding
D) Marine cloud brightening
Which gas is targeted in Carbon Capture and Storage (CCS)?
A) Oxygen
B) Carbon dioxide
C) Methane
D) Nitrogen
Why is ocean fertilization a debated geoengineering method?
A) It could disrupt marine ecosystems
B) It does not affect CO₂ levels
C) It increases fossil fuel usage
D) It has no long-term effects
Which of the following is an alternative to geoengineering for reducing climate change?
A) Increased fossil fuel usage
B) Reducing greenhouse gas emissions
C) Expanding desert areas
D) Increasing global temperatures
What is the potential problem with sudden termination of geoengineering efforts?
A) Rapid increase in global temperatures
B) Permanent cooling of the planet
C) Increased oxygen levels
D) Decrease in atmospheric CO₂
Which method of geoengineering is the most natural?
A) Biochar application
B) Stratospheric aerosol injection
C) Ocean fertilization
D) Space-based solar shields
What is the biggest ethical concern regarding geoengineering?
A) It might not work at all
B) It could benefit some countries while harming others
C) It will remove too much CO₂
D) It does not require funding
Which organization monitors climate change and potential geoengineering solutions?
A) IPCC
B) FIFA
C) UNESCO
D) CDC
Which geoengineering method aims to increase Earth’s reflectivity?
A) Stratospheric aerosol injection
B) Carbon sequestration
C) Deep-sea mining
D) Nuclear energy
Which of these is NOT a goal of geoengineering?
A) Reduce global temperatures
B) Prevent extreme weather events
C) Restore atmospheric balance
D) Increase fossil fuel dependency
