Obsession with Certification - It's not only Singapore's that obsessed with it, every country in the world is. The latest certification could probably be Eco Friendly Food Courts!
This is Singapore's 1st Eco-Food Court.
You can read about what it is about in this news article.
Basically to get certified, they do not use Styrofoam packaging for takeaway food.
The food waste is separated (since 2007! read here) and leftover oil are recycled (into bio diesel).