Until recently, no one associated sparkling clean bathrooms and kitchens with poisoned air and mutated aquatic life. But the same lemony fresh cleaners, disinfectants, and degreasers that shine your stove top can also make you sick and can cause real problems for the waterways they drain into. Just ask the Environmental Protection Agency, which reports that “the air inside the typical home is on average 2-5 times more polluted than the air just outside—and in extreme cases 100 times more contaminated—largely because of household cleaners and pesticides.”