Answer:
The central idea is this: "This group works with businesses to make their products and packaging more sustainable, meaning they want to use resources so that they will continue to be available in the future."
This idea is developed by explaining what the materials of the cup are made out of and wether it is actually sustainable or not. The paragraph goes on to say that from one perspective, yes it is sustainable because despite still containing plastic it can be recycled in some countries. From another perspective however we see that the cup would not be able to be used in places where it cannot be recycled and is therefore not as sustainable as they think. It wraps up with the central idea saying that the business is working to make the materials even more sustainable to the point where it will be able to be used everywhere and be recycled.
Step-by-step explanation: