Two men walk into a bar, one orders a drink while the other already has his own cup ready – and we’re not joking. This is certainly the latest phenomenon on our Singaporean streets, where a significant number of consumers are becoming eco-conscious with metal straws and lunchboxes, while some still remain oblivious to the need for such a movement. We would like to believe that what sparked this positive change is NGO Zero Waste SG, which has actively created conversations about eliminating waste and the three Rs.