The "hissing of summer lawns" refers to the sprinklers that water the lawns. The grass is greener where you water it.
However, we are always in a drought and only have certain days we can water...and way too much lawn. We have about 5,000 square feet of grass. We are also on a water meter and billed by the amount of water we use. I think we need to reduce our lawn areas, since we do not get enough rain.
@carole_sandford Our lawn was crunchy and brown...until I turned on the sprinkler more often! The front yard is now crunchy! And it will be over 100 degrees over the weekend and next week.