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" Give your house a &amp;quot;green sweep&amp;quot; with this quick checklist from Alexandra Kennaugh of the Natural Resources Defense Council.   Leaky toilets, sinks and showerheads One drip can waste up to 20 gallons of water a day! So fix it right away. To diagnose a toilet leak, add a few drops of food color to the tank, wait 30 minutes, then see if telltale color appears in the bowl.   Air fresheners Many contain phthalates, which have been linked to health risks. Instead, grind lemons in the garbage disposal or put baking soda in trash cans. Better yet, open the windows and let the fresh air in!   Catalogs If you always seem to have a stack on your coffee table, save some trees: Get off the mailing lists and limit the number you receive at catalogchoice.org.   Shower curtains  Replace those made of PVC (polyvinyl chloride) with cloth, or look for &amp;quot;PVC-free&amp;quot; plastic shower curtains. PVC contains volatile organic compounds (VOCs), which have been linked to a variety of health problems.   Closets and dressers Keep pests out of clothes with pine or rosemary sachets. Mothballs contain naphthalene, a chemical classified as a potential carcinogen by the EPA. "^^<http://www.w3.org/2001/XMLSchema#string>
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