Page 80 - “GREENING” THE CONTENT IN CXC® SYLLABUSES
P. 80
E-LEARNING MODULES AND LEARNING GUIDE FOR TEACHERS
Hydropower
Advantages Disadvantages
Renewable and clean source of energy High initial/capital cost
Reduces dependence on fossil fuels Weather dependent/intermittent
Reduces electricity costs Energy storage (batteries) are expensive
Emits no air pollution Requires a lot of space
Biofuels and Biomass
Advantages Disadvantages
Is a renewable source High capital investment
Helps to reduce waste High production cost
Reliable source of electricity Requires a lot of space/land
Reduces air pollution Consumed faster than gasoline
Less flammable than gasoline
Biodegradable and easily diluted to
non-toxic concentrations
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