i12 Katong ticking all the right boxes

“Daddy, what’s sustainability? We’re asked to write a long essay about it,” Pangzi said. “That’s easy. You just need to break it up into two words: sustain and ability,” I offered helpfully. ”Oh, ability I know. But what’s sustain?” ”That’s easy too. Break it up further: suck and stain.” By now Pangzi was all confused. …