Lawn care equipment — leaf-blowers, lawnmowers, and the like — doesn’t top most people’s lists of climate priorities. But a new report documents how, in aggregate, lawn care is a major source of U.S. air pollution.
Using the latest available data from the Environmental Protection Agency’s 2020 National Emissions Inventory, the report found that the equipment released more than 68,000 tons of smog-forming nitrous oxides, which is roughly on par with the pollution from 30 million cars. Lawn equipment also spewed 30 millions tons of climate-warming carbon dioxide, which is more than the total emissions of the city of Los Angeles.
“When it comes to these small engines in lawn and garden equipment, it’s really counterintuitive,” said Kirsten Schatz, the lead author of the report and a clean air advocate at Colorado PIRG, a nonprofit…