What Do You Mean by Double Counting and Double Claiming?

The negotiators who negotiated the paris agreement are not negotiating at glasgow. They don't have historical awareness or historical memory to call upon. So you go into these negotiations essentially with some historic memory but not a lot of historic memory, of cop 21. And then you come across vera and gold standards debate about what do you mean by double counting and double claiming? That then has another impact in terms of how these negotiators go into these talks.