Technology...

I know, I know. American lawns are sacred. Those perfect-green expanses are a testament to our ability as homeowners and a way to show off to the neighbors. But cutting and maintaining those lawns also contributes to a shocking ten percent of summertime air pollution, according to the SafeLawns Foundation.

Gas-powered lawn mowers, blowers and other tools not only produce huge amounts of greenhouse gases, they also add dangerous particulate matter...