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THE ENERGY WE USE TO LIGHT OUR 
HOMES, HEAT OUR SCHOOLS, AND RUN

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OUR CARS, COMES FROM MANY SOURCES.

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COAL, NATURAL GAS, AND OIL ARE CALLED NONRENEWABLE ENERGY

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SOURCES BECAUSE ONCE WE USE THEM UP, THERE WON'T BE ANY LEFT.

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THESE STANDARD SOURCES PROVIDE 
DEPENDABLE ENERGY.

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BUT THESE NONRENEWABLE ENERGY 
SOURCES ADD POLLUTANTS TO THE

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AIR, INCREASE GLOBAL WARMING AND 
CLIMATE CHANGE, AND MANY ARE

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HARD ON THE ENVIRONMENT.

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SO MORE AND MORE PEOPLE ARE LOOK 
AT DIFFERENT WAYS TO GET THEIR

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ENERGY.

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GREEN ENERGY SOURCES ARE 
RENEWABLE, GENERALLY DON'T

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CONTRIBUTE TO GLOBAL WARMING, 
AND ARE MORE ENVIRONMENTALLY

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FRIENDLY.

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HERE'S SOME EXAMPLES OF GREEN 
ENERGY.

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SOLAR POWER CAPTURES ENERGY FROM 
THE SUN.

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THESE TURBINES CREATE 
ELECTRICITY WITH WIND POWER.

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HYDROELECTRIC ENERGY IS CREATED 
WHETHER WATER FLOWS THROUGH

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TURBINES TO MAKE ELECTRICITY.

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GEOTHERMAL HEAT, THAT IS HOT 
WATER FROM DEEP WITHIN THE

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EARTH, CAN BE USED AS AN ENERGY 
SOURCE.

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A NUMBER OF BUILDINGS IN BOISE 
ARE ALREADY HEATED WITH

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GEOTHERMAL ENERGY.

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OTHER GREEN ENERGY SOURCES 
INCLUDE USING TIDAL WAVES IN THE

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OCEAN, OR BURNING WASTE OR 
PLANTS TO CREATE ELECTRICITY.

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NUCLEAR POWER COULD ALSO BE 
CONSIDERED GREEN ENERGY.

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AND THERE'S ONE OTHER IMPORTANT KIND OF GREEN ENERGY THAT YOU

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CAN DO SOMETHING ABOUT.

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CONSERVING ENERGY OR USING LESS ENERGY IS THE EASIEST AND

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CHEAPEST WAY TO HELP THE ENVIRONMENT.

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THERE ARE SOME SIMPLE THINGS YOU 
CAN DO TO SAVE ENERGY.

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TURN OFF THE LIGHTS WHEN YOU 
LEAVE A ROOM.

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SET THE THERMOSTAT AT NO MORE 
THAN 68 DEGREES IN THE WINTER,

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OR NO LESS THAN 78 DEGREES IN 
THE SUMMER.

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WALK TO SCHOOL.

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RECYCLE.

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AND CHANGE INCANDESCENT LIGHT 
BULBS TO COMPACT FLUORESCENT

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LIGHTS.

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IF WE CONSERVE ENERGY AND 
CONTINUE TO IMPROVE GREEN ENERGY

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SOURCES, THEN THE EARTH'S FUTURE 
WILL STAY BRIGHTER TOO.