This story was originally published by Grist. Sign up for Grist’s weekly newsletter here. For more than 100 million years, trees have dropped their leaves every fall, creating a protective layer of ...

The challenge before Johns Hopkins University engineering students: Take a leaf blower, but make it quiet. Make it work as powerfully as ever, but do not allow it to emit the ear-piercing caterwaul ...

After months of delay, Annapolis will begin issuing fines to people using gas-powered leaf blowers. The legislation, passed last year, bans the use of gas-powered blowers and other items such as sound ...

Regulations to quiet noisy leaf blowers in the city of Naples were approved Wednesday, but it will be a year before the rules are effective citywide. The Naples City Council voted unanimously at a ...