these are all great tips
esp. the one about washing dishes, i don't have a dishwasher so i always try to use as little water as possible (but hard with all the rinsing!).
also i'm sure everyone knows to WALK WALK WALK as much as possible, that way killing 2 birds w/1 stone (obesity!!) b/c seriously, i'm from the suburbs and i can see how it's hard not to drive anywhere (burbs are one giant strip mall parking lot) but now that i live in Chicago and still see people driving everywhere it's just astounding...