#GreenHomes Most people don’t realize the extent of single use batteries’ environmental impacts. Heavy metals, corrosive materials, and other nasty chemicals combined with improper disposal spells bad news for the environment. But rechargeable have 28 times less impact on global warming, 30 times less impact on air pollution, 9 times less impact on air acidification, and 12 times less impact on water pollution. When used properly, rechargeable batteries can be used hundreds or even thousands of times.