Nehmo wrote:

. The EPA states mowing causes 5% of air pollution
http://www.peoplepoweredmachines.com...nvironment.htm . Reducing
the use of these engines reduces pollution of many types.

Most mowing is in urban areas, where pollution is the worst and where
most people breathe.

The habitat of many animals is disturbed by mowing.

I live in the middle of Phoenix and have clover lawns that I cut with
a hand push mower three days a week. Some of my neighbors use sheep,
goats, or lamas for their lawns. How are we doing?