2. Causes More than 50% of Hong Kong’s air pollution comes from coal fired power plants, old diesel trucks and ships. There are plans of building a new bridge connecting Macau- Zhuhai-Hong Kong. This will also increase the air pollution. Hong Kong is a fast moving city, when there is a traffic jam hundreds of cars and other vehicles are left running polluting the air more.

3. API (Air Pollution Index) Severe Very High High Medium Low Air Quality is worse than both short and long term AQOs Air Quality worse than both short and long term AQOs Air quality within AQOs Air quality within short term AQOs but worse in long term AQos Air quality within all AQOs

4. Answers Number of most seen vehicles in Hong Kong VehiclesPrivate carsTaxisPublic Light Buses Private Light Buses Government vehicles Total Jan 200840880618138435019456312439551 Feb40985918138435019426318440607 Mar41150818138435019436320442259 Apr41328818138435019456320444041 May41453918138435019486304445279 June41557918138435019516358446376 July41739918138435019626365448214 August41849718138435019786389449352 Sept41979418138435019896353450624 Total37292691632423915017603570394006303

5. Effects of Co2 Percentage of Co2Effects 1%Feeling drowsy 2%Feeling of heaviness in the cheat and more deeper breaths 3%Breathing rate doubles 5%Increases by 4 times 7.5%Headaches, Dizziness, Restlessness and feel like you cannot breath 10%Vomiting 30%Can get into a coma

6. Answers Pollutant 1997 Emission (Tonnes) 2006 Emission (Tonnes) Change in Emission (%) 1997-2006 2010 Reduction Target (%) SO2 65,900 73,90012%-40% NOx 123,000 94,800-23%-20% RSP 11,400 5,860-48%-55% VOC 68,900 41,200-40%-55% There have been Progress in Reducing Emissions in Hong Kong since 1997. By the table above should show you some detail on the Reducing of the Emission.