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Alternative Energy Sources (Biomass (Uses organic matter, Feedstock used…
Alternative Energy Sources
Solar
Most abundant and renewable
energy source in the world
Convert heat and light
into energy
Does NOT emit greenhouse gasses
Problems include efficiency
and intermittency
Hydroelectricity
Water into energy
Form of vapor
Negative impact on
marine waterlife
Wind
Difference in
atmospheric pressure
Uses air’s motion/mechanical
Turbine- several spinning
blades generating electricity
when wind spins blades
Problems include land,
birds, and loud noise
Biomass
Uses organic matter
Feedstock used to make
energy
Carbon and H2O
Combustion, Gasification,
and Fermentation
2.5 billion people use
this as a primary source
of cooking and eating
Resources, tech, and
economic viability are
all drivers of biomass
use
Geothermal
Internal heat of the Earth
Radioactive energy
Uses wells 3-10km
Extract water and steam
Volcanic and techtonic
active regions
Accidental CO2 release
could be an issue