Tuesday, April 21, 2009

Conservation of Energy

1 comment:

zac6 said...

yo Phil,

Nice job with the presentation its cool to see what we can do at to help the earth with house-hold products. its true about if we don't change our ways we will use more energy and that would be bad.I would like to know how would the other best scenerio's would be. Also, what more ways to help keep the earth green.