Energy
Sources
All photos courtesy of the U.S. DOE
National Renewable Energy Laboratory
Photographic Information eXchange
http://www.nrel.gov/data/pix/
and FreeClipartNow.com
copyright © 2008 Clarkson University
Coal-fired
Power Plant
Coal mining
Coal pile
Air pollution
Off-shore oil extraction, the Alaska pipeline
and an oil refinery
Glowing nuclear
reactor, power
plant and waste
storage facility
(concrete tanks)
Solar Photovoltaic Panels  electricity
Solar thermal – hot water, electricity
Houses with
solar PV
electricity
systems
Small and
large-scale
hydroelectric
Large-scale
Wind Turbines
 electricity
Home-scale wind
turbine
Geothermal
geyser, well
head and
power plant
Biomass – wood
chips and
combustion facilities
 heat and power
Soybeans from a field
of soybean plants
made into biodiesel
can provide fuel for
this vehicle