Check out this article on Seattle Times, it shows how to reduce your carbon footprint.
Excerpt: “ From the street, the house looks like any other in this quiet North Seattle neighborhood. But something different is going on here.The trash container at the curb is not much bigger than a shoebox. And inside the house, at 7:15 on a weekday morning, all the lights are off. It’s not because no one’s home “

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Local News | Simple steps reduce carbon footprints | Seattle Times Newspaper