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THE OLDEST ENERGY SOURCE - Coggle Diagram
THE OLDEST ENERGY SOURCE
Biomass Energy
Organic matter used for fuel
Replaces coal in power plants
Considered renewable
Types
Wood, agricultural waste
Solid waste
Landfill gas
Biofuels
Biomass Growth
But environmental impacts
More biomass power plants
Criticisms
Less land for food crops
Harms small farmers
Pollution in supply chain
Carbon neutrality doubtful
Conclusion
But currently high impacts
Must find truly green option
Renewable if sustainable
Energy Crops
For biofuels
Cause pollution, soil erosion
Need deforestation
Raise food prices
Carbon Emissions
Thought to be carbon neutral
But debates on true impact
Carbon debt from deforestation
Transport causes emissions