Cherry Creek runs a green thread through the middle of the city, cottonwoods leaning over the path, cyclists sliding past below street level while the neighborhood above goes about its morning. Clean Air Lawn Care Cherry Creek keeps the lawns on those blocks — small, exacting front yards behind low walls, courtyard strips, the tidy setbacks that give this part of Denver its particular composure. The work is weekly and unhurried in its standards: an even cut, a trimmed line along every wall and bed, walks left clear of clippings. High-plains summers push turf hard by mid-July, so the mowing height rises with the heat and the grass keeps its color instead of surrendering it. On a June morning, with the creek path just waking up, a freshly mown yard along here is a genuinely fine thing to walk past.