Which proposed geoengineering techniques to lower greenhouse gas ...

[bobbysung]

Which proposed geoengineering techniques to lower greenhouse gas concentrations in the atmosphere
  involve polluting the air or water with chemicals in order to reduce the effects of global warming? What will be an ideal response?

Question 2

What are the proposed geoengineering techniques to lower greenhouse gas concentrations in the
  atmosphere? What will be an ideal response?

[sabina576]

Answer to Question 1

Fertilizing the ocean involves dumping finely ground iron particles into the ocean. Solar radiation
management involves injecting large amounts of sulfur dioxide aerosols into the stratosphere.

Answer to Question 2

The geoengineering techniques include carbon capture and sequestration, atmospheric capture of
carbon dioxide, large-scale forestation, fertilizing the ocean, and solar radiation management