The following are advantages of -

· Emits no CO2

· Offers independence from imported oil

· High energy density, ample supply

The following are disadvantages of -

· Mining alters landscapes and endangers humans

· Plants are slow to reach full operating capacity

· Large contributor to acid rain

The following are disadvantages of -

· Risk of leaks/explosions

· 25x more effective as a greenhouse (warming) gas than CO2

· Low availability because pipelines are needed

The following are disadvantages of -

· Unpopular, generates protests

· Plants are $$ to build because of legal challenges

· Potential for catastrophic meltdowns and accidents

· Possible terrorist targets

The following are pollutant and greenhouse gas emissions of -

· Second highest emitter of CO2

· Hydrocarbons

· Hydrogen sulfide

The following are pollutant and greenhouse gas emissions of -

· Highest emitter of CO2

· Sulfur

· Trace amounts of toxic metals such as mercury

The following are pollutant and greenhouse gas emissions of -

· Methane (CH4)

· Hydrocarbons

· Hydrogen sulfide

The following are pollutant and greenhouse gas emissions of -

· Radioactive waste

· Emissions from uranium mining

Generates relatively little electricity.

~5 cents/kWh

~7 cents/kWh

~14 cents/kWh

ER OEI (Energy return on energy investment) of 4.0 - 5.7

ER OEI (Energy return on energy investment) of 14

ER OEI (Energy return on energy investment) of 8