ALTERNATIVE

BIOENERGY

BIOFUELS

BIOMASS

CARBON

CLEAN

COAL

CONSERVATION

CONTROVERSIAL

CURRENT

DAMS

DEPENDENCE

EFFICIENT

ELECTRIC VEHICLES

ENVIRONMENTAL

EXPENSIVE

FARM

FOSSIL FUELS

FUSION

FUTURE

GAS

GENERATIONS

GEOTHERMAL POWER

GREEN

GRID

HEAT

HYBRID

HYDROELECTRICITY

HYDROGEN

HYDROPOWER

NATURAL

NUCLEAR POWER

RECYCLING

RENEWABLE ENERGY

RESOURCE

SAFE

SOLAR PANELS

SOLAR POWER

SUN

TECHNOLOGY

TIDAL POWER

WATER

WAVE POWER

WIND POWER

WIND TURBINES

Solution on page 322