All Flashcards
Why is biomass considered renewable?
Waste is continuously produced, replenishing the source.
What is the role of biomass in carbon cycle?
Biomass combustion releases CO2, but sustainable practices aim for carbon neutrality.
What are the sustainability concerns of biomass?
Over-harvesting leads to deforestation and habitat loss.
Why is location important for biomass?
Biomass is practical in areas with limited access to other energy.
Why is the EROI of ethanol important?
It affects the overall sustainability of ethanol as a fuel.
Why is sustainable management crucial for biomass?
To prevent deforestation and habitat loss.
Why is biomass considered carbon neutral?
Burning it doesn't add new carbon to the atmosphere.
What are the limitations of biomass?
Produces pollutants and can lead to deforestation.
What is the importance of biomass regeneration rates?
They determine the sustainability of biomass use.
What are the benefits of biomass energy?
Widely available and can be carbon neutral.
Describe the general process of biomass energy production.
Organic matter is burned to produce heat, which is then converted into electricity.
Outline the steps for sustainable wood harvesting.
Selective cutting, replanting, monitoring regeneration rates, preventing soil erosion.
What are the environmental consequences of deforestation?
Habitat loss, soil erosion, reduced biodiversity, and climate change.
What are the effects of burning biomass?
Releases CO2, carbon monoxide, nitrogen oxides, particulates, and VOCs.
What is the effect of unsustainable biomass use?
Deforestation, habitat loss, and potential species extinction.
What are the effects of using ethanol as fuel?
Reduces reliance on gasoline, but production can have environmental impacts.
What is the impact of biomass power plants on local economies?
Job creation, local energy source, but high initial investment costs.
What is the effect of using landfill gas for energy?
Reduces methane emissions, generates electricity, and reduces reliance on fossil fuels.
What is the effect of using crops as biomass?
Reduces agricultural waste, generates energy, but can compete with food production.
What is the effect of over-harvesting trees for biomass?
Deforestation, habitat destruction, soil erosion, and reduced carbon sequestration.
What is the impact of biomass production on air quality?
Combustion releases pollutants like CO2, NOx, particulates, and VOCs, affecting air quality.
What is the effect of using sustainable biomass practices?
Reduced deforestation, habitat loss, and carbon emissions, promoting long-term sustainability.