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  1. Engineers develop new method to check air pollution

    Posted Sep 07th 2011, 12:00am

    ... Jennifer Cheng jennifer.cheng@scmp.com Chinese University engineers have developed technology previously used by the US military to detect explosives to check for toxic air pollutants. Professor Douglas Yung Pun-to, of the department of electronic engineering, and his team are using sensor chips as small as a fingernail to capture different types of toxic air pollutants ...

    http://www.scmp.com/article/978294/engineers-develop-new-method-check-air-pollution
  2. Pollution sensors to detect filthy vehicles

    Posted Apr 29th 2011, 12:00am

    ... to vehicle emissions, or for ozone, a secondary pollutant formed by a chemical reaction among air pollutants. Since the monitoring network, with 13 stations in Guangdong and three in Hong Kong, came ... drafted by the Environmental Protection Department. The technology has been around for years but officials are now taking a serious look at it as the nature of air pollution changes. Since 2006, ...

    http://www.scmp.com/article/966335/pollution-sensors-detect-filthy-vehicles
  3. WHO standards 'better'

    Posted Feb 23rd 2011, 12:00am by Staff Reporter

    ... The air quality goals suggested by the government would actually make pollution worse, University of Hong Kong scientists say. Scientists used a new mathematical model that predicts ... of five pollutants. Their research was published in the Open Epidemiology Journal. The scientists said Hong Kong should instead follow the goals laid down by the World Health Organisation (WHO). ...

    http://www.scmp.com/article/738898/who-standards-better
  4. This technology deserves an airing

    Posted Sep 08th 2011, 12:00am

    ... into roadside monitors of air pollution in Hong Kong. The sensors were originally used to detect explosives by looking for the volatile molecules that were emitted. The scientists have re-engineered them to detect toxic air pollutants such as car exhaust fumes and cigarette smoke. Unlike current methods, the sensors can provide real-time results, relatively cheaply. There is no need ...

    http://www.scmp.com/article/978394/technology-deserves-airing
  5. Ferries' new technology may help clear the air

    Posted Sep 07th 2011, 12:00am

    ... with the University of Hong Kong on an enhanced version to remove nitrogen oxide. The upgrade would substantially reduce the amount of soot pumped into the atmosphere by the firm's ferries and cut the harmful effects of the emissions on the public. Civic Exchange, the public policy think tank, estimated that about 3.8 million people live in close proximity to Hong Kong port, including Kwai ...

    http://www.scmp.com/article/978293/ferries-new-technology-may-help-clear-air
  6. Scientist proposes shared delta satellite to monitor air quality

    Posted Oct 26th 2009, 12:00am by Staff Reporter

    ... Cheung Chi-fai Hong Kong and Guangdong could launch a satellite of their own to monitor air quality and make pollution forecasts for the region, a university specialist in geographical ... . Currently, there is no standard for PM2.5 in Hong Kong, though the Environmental Protection Department takes informal measurements at five locations. Fine particles are believed to have more ...

    http://www.scmp.com/article/696468/scientist-proposes-shared-delta-satellite-monitor-air-quality
  7. Targeting the Sun for a clearer picture on pollution

    Posted Mar 24th 2006, 12:00am by Staff Reporter

    ... Cheung Chi-fai Pollutants clogging the skies over Hong Kong and the Pearl River Delta can be two to three times denser than those in Washington, Paris or even Beijing, a university study has found. The Polytechnic University research study is part of initiatives between the university and the National Aeronautics and Space Administration (Nasa) on monitoring air pollution ...

    http://www.scmp.com/article/541717/targeting-sun-clearer-picture-pollution
  8. Government plans to make e-polluters pay

    Posted Jan 20th 2010, 12:00am by Staff Reporter

    ... in Hong Kong. Officials say these products contain more hazardous substances than other electronic and electrical equipment. 'Most of us own such items, therefore we each have ... or washing machine. A recent government survey showed that almost half of the Hong Kong public consider a fee of up to 2.5 per cent of the purchase price to be reasonable, while some 25 per cent ...

    http://www.scmp.com/article/704128/government-plans-make-e-polluters-pay
  9. New pollution traps to target 'Invisible' fumes

    Posted Nov 16th 2011, 12:00am

    ... member of the Hong Kong Automobile Association, supported the remote sensing scheme but believed the penalty should be stiffer. 'It is just like drink-driving and speeding. Heavy punishment ... Vehicles travelling at less than 7km/h or more than 90km/h will be excluded from the checks. $150m The amount in Hong Kong dollars to be handed to minibus and taxi operators to buy new catalytic ...

    http://www.scmp.com/article/984895/new-pollution-traps-target-invisible-fumes
  10. Remote device may detect polluting cars

    Posted Feb 01st 2008, 12:00am by Staff Reporter

    ... runs of the device, it was estimated that about 5 per cent of petrol and LPG vehicles had above-average emissions, officials said. Scientific studies have found that Hong Kong's roadside ... Cheung Chi-fai The government plans to launch a public consultation this month on detecting vehicle pollution using a remote sensing device, the environment chief has said. The device, ...

    http://www.scmp.com/article/625098/remote-device-may-detect-polluting-cars

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