Exhaust fumes pollute the atmosphere, even though posted signs decree this a "No Idling Zone" and students berate their parents for violating it.
Recommended measures might include moving school entrances and play areas to reduce exposure to busy roads, and introducing "no engine idling" zones and green infrastructure such as hedges and bushes to provide barriers to block out fumes.
The health experts say children and older people are most at risk from toxic air and so "no idling" zones should be used outside schools, care homes and hospitals.
And school districts across the country are adding lessons on the environment to their curriculums in many subject areas, as well as enforcing idle-free zones in school driveways, switching to plant-based cleaners, doing away with pesticides and, in some places, installing solar panels.
That is why New York City recently had a two-week crackdown at elementary schools in neighborhoods with high rates of asthma to stop vehicles from violating a little-known law that limits idling in school zones to one minute.
In 2004, after receiving a tip from the A.F.S.Z., Eliot Spitzer, who was the attorney general at the time, sued several school-bus companies for breaking the rule, and last month, as governor, Spitzer signed a ban on all bus idling in school zones.
The warnings about a "splash zone" are not idle.
By mixing the infrastructure and the ad hoc modes in WLAN, we propose in this paper a new coverage improvement scheme that can identify suitable idle MSs in good service zones as traffic agents (TAs) to relay traffic from those out-of-coverage MSs to the AP.
— sounding like someone who thought they had assurances that Spain was Too Big to Fail, she insisted that members of the euro zone "will not stand idle if one of the member countries is in trouble".
The discount buses, bulky squatters that often idle in the city's curbside loading zones, have long been a bane of businesses and residents concerned about congestion, noise and risky conditions for pedestrians.
Idle in residential coves and slow-no-wake zones and do not exceed 5 mph (8.0 km/h).
