Purge the clutter. Outfit your home with care: The 34 essential kitchen tools. The 9 essential cleaning and fixing products. The 13, and only 13, things a bedroom needs to make it a haven of rest and privacy. Each item has been field-tested and rated for its environmental, social, and aesthetic impact. There is high-tech: the miraculous microfiber mop, the low voltage electric blanket, the truly responsive iron. And there is low-tech: the French press...