EU chokes on own air quality standards
- 21-May-2018
BRUSSELS: In the skies above Katowice in the heart of Poland’s coal industry, Polish officials are deploying the latest weapon against air pollution: drones that inspect the city’s chimneys. As soon as one of the unmanned aerial vehicles spots suspicious smoke rising from a rooftop, a second one follows up to “sniff” for pollutants with […]