City in a Garden:
1. Ministry of National Development Link (May/June 2009 Issue)
2. Publication by Ministry of National Development
3. Publication by Urban Redevelopment Authority
Environmental Conservation Programmes:
1. ABC Waters Programme
2. Bring Your Own Bag Day
3. Climate Change & Singapore: Challenges, Opportunities, Partnerships (National Climate Change Strategy 2012)
4. National Cycling Plan – Land Transport Authority
5. National Environment Agency
6. Speech by Minister for Transport
Population White Paper:
1. AsiaOne Links Compilation
2. National Population and Talent Division
2. Population White Paper: A Sustainable Population for a Dynamic Singapore (January 2013)
2. The Straits Times Links Compilation
Others:
1. Is Singapore the Worst Environmental Offender? (The Straits Times, 2010)
2. Research Study: Evaluating the Relative Environmental Impact of Countries (2010)