Biochar: A Potential Solution for Climate Change?

What is the process called when organic material is burned at high temperatures without oxygen to produce biochar?

• Fermentation

• Oxidation

• Pyrolysis

• Combustion

What is a major concern critics have about the large-scale production of biochar?

• It is too expensive to produce.

• It requires too much water.

• It does not effectively store carbon.

• It could lead to increased deforestation and land conversion.

How can biochar help reduce air pollution in India?

• By being mixed with concrete.

• By replacing coal in power plants.

• By converting agricultural waste into biochar instead of burning it.

• By being used as a fuel in vehicles.

What is one of the benefits of using biochar in sandy soils?

• It reduces soil erosion.

• It decreases soil temperature.

• It improves water retention.

• It increases the soil's acidity.

What is a potential benefit of biochar in reducing greenhouse gases?

• It increases ozone levels.

• It releases more CO2.

• It reduces nitrous oxide emissions.

• It increases methane emissions.

How does biochar help in reducing the use of fertilizers?

• By acting as a direct fertilizer.

• By enhancing nutrient retention in the soil.

• By increasing the soil's acidity.

• By reducing soil temperature.

What is a significant advantage of biochar in tropical soils?

• It increases soil temperature.

• It has a large surface area that supports microbial life.

• It decreases soil pH.

• It reduces soil salinity.

What is a controversial aspect of biochar production related to carbon credits?

• The credits do not account for methane emissions.

• The system of buying carbon credits to offset emissions.

• The credits are not recognized internationally.

• The credits are too expensive.

What is one of the main products of NovoCarbo's biochar plant?

• Natural gas

• Electricity

• Hot water

• Biofuel

What is a key factor in determining the eco-friendliness of biochar production?

• The temperature at which biochar is stored.

• The type of biomass used.

• The color of the biochar.

• The size of the biochar particles.