With more drones in the sky every year, 'counter-drone' tech can keep the bad ones at bay
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Bangkok flies drones, seeks better ideas to improve bad airBANGKOK (AP) — A fleet of drones, trucks and small planes sprayed water to try to reduce air pollution around Bangkok on Thursday while the governor invited critics to brainstorm better ideas to improve the air quality in the Thai capital. Unhealthy pollution levels forced city schools to close Wednesday for the rest of week, and the Public Health Ministry advised against outdoor activities. Faced with public discontent as well as a possible health crisis, the city's governor has declared the city a 'pollution control zone,' allowing firmer measures such as road closings and limits on diesel exhaust, outdoor burning and construction activities.
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