Major floods in Singapore , 3 September 2014:
http://eresources.nlb.gov.sg/infopedia/articles/SIP_780_2004-12-30.html
Major oil spills in the Straits of Singapore , 2010:
http://eresources.nlb.gov.sg/infopedia/articles/SIP_1101_2010-09-06.html
Marina Barrage, Jul 1, 2015:
https://www.youtube.com/watch?v=EaRULQompEk&feature=youtu.be
The Singapore Water Story, Oct 6, 2014:
https://www.youtube.com/watch?v=5BGUT7BjPl0&feature=youtube
Marina Barrage - PUB, 9 May 2016:
https://www.pub.gov.sg/marinabarrage/aboutmarinabarrage
Image of NEWwater plant, October 2010
https://www.flickr.com/photos/bithiophene/5180121331
Information of NEWwater
https://www.hyflux.com/