As someone who likes to be outdoors, I can attest to the quite remarkable frequency and persistence of lawn-mowing, anywhere within earshot of human settlement. If I could swap a passing Heaviside for each gas lawnmower I hear, I would take the trade.
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Sound from a lawn mower or a leaf blower is local and temporary. Yet cities do ban gas-powered leaf blowers.
http://files.meetup.com/4709972/Leaf%20Blower%20bans,%20etc....
As someone who likes to be outdoors, I can attest to the quite remarkable frequency and persistence of lawn-mowing, anywhere within earshot of human settlement. If I could swap a passing Heaviside for each gas lawnmower I hear, I would take the trade.