How to Clean Everything Better

You know it's out there: dust, grunge, and grime that set up camp all over your house, on your sponge, in your handbag, and, yep, even on you. But how the heck do you give dirt and germs the boot in healthy, simple (read: no harsh chemicals) ways? We went to the experts for the lowdown and how-to for gently and effectively getting rid of the ick factor and cleaning up all over.