THE ENERGY WE USE TO LIGHT OUR
HOMES, HEAT OUR SCHOOLS, AND RUN
OUR CARS, COMES FROM MANY SOURCES.
COAL, NATURAL GAS, AND OIL ARE CALLED NONRENEWABLE ENERGY
SOURCES BECAUSE ONCE WE USE THEM UP, THERE WON'T BE ANY LEFT.
THESE STANDARD SOURCES PROVIDE
DEPENDABLE ENERGY.
BUT THESE NONRENEWABLE ENERGY
SOURCES ADD POLLUTANTS TO THE
AIR, INCREASE GLOBAL WARMING AND
CLIMATE CHANGE, AND MANY ARE
HARD ON THE ENVIRONMENT.
SO MORE AND MORE PEOPLE ARE LOOK
AT DIFFERENT WAYS TO GET THEIR
ENERGY.
GREEN ENERGY SOURCES ARE
RENEWABLE, GENERALLY DON'T
CONTRIBUTE TO GLOBAL WARMING,
AND ARE MORE ENVIRONMENTALLY
FRIENDLY.
HERE'S SOME EXAMPLES OF GREEN
ENERGY.
SOLAR POWER CAPTURES ENERGY FROM
THE SUN.
THESE TURBINES CREATE
ELECTRICITY WITH WIND POWER.
HYDROELECTRIC ENERGY IS CREATED
WHETHER WATER FLOWS THROUGH
TURBINES TO MAKE ELECTRICITY.
GEOTHERMAL HEAT, THAT IS HOT
WATER FROM DEEP WITHIN THE
EARTH, CAN BE USED AS AN ENERGY
SOURCE.
A NUMBER OF BUILDINGS IN BOISE
ARE ALREADY HEATED WITH
GEOTHERMAL ENERGY.
OTHER GREEN ENERGY SOURCES
INCLUDE USING TIDAL WAVES IN THE
OCEAN, OR BURNING WASTE OR
PLANTS TO CREATE ELECTRICITY.
NUCLEAR POWER COULD ALSO BE
CONSIDERED GREEN ENERGY.
AND THERE'S ONE OTHER IMPORTANT KIND OF GREEN ENERGY THAT YOU
CAN DO SOMETHING ABOUT.
CONSERVING ENERGY OR USING LESS ENERGY IS THE EASIEST AND
CHEAPEST WAY TO HELP THE ENVIRONMENT.
THERE ARE SOME SIMPLE THINGS YOU
CAN DO TO SAVE ENERGY.
TURN OFF THE LIGHTS WHEN YOU
LEAVE A ROOM.
SET THE THERMOSTAT AT NO MORE
THAN 68 DEGREES IN THE WINTER,
OR NO LESS THAN 78 DEGREES IN
THE SUMMER.
WALK TO SCHOOL.
RECYCLE.
AND CHANGE INCANDESCENT LIGHT
BULBS TO COMPACT FLUORESCENT
LIGHTS.
IF WE CONSERVE ENERGY AND
CONTINUE TO IMPROVE GREEN ENERGY
SOURCES, THEN THE EARTH'S FUTURE
WILL STAY BRIGHTER TOO.