by Bill Forman
We're still not so sure about that whole food pyramid thing (for one thing, Diet Coke remains conspicuously absent), but a home energy efficiency pyramid featured this morning on Good magazine's blog looks pretty useful.
True, the higher levels don't apply to lowly apartment dwellers, and there's no mention whatsoever of those portable nuclear fusion reactors they're selling now at Home Depot.
And yes, there's always the chance that it's just another part of the Masonic plot for world domination.
But hey, you've got to start somewhere, right?