What are member countries required to do? are there different requirements for
different countries? why?

Member countries were required to monitor greenhouse gases and actively try to reduce them. yes, they are different requirements for more developed countries as they contributed to a lot of it.

Explanation:

1) the andrew carniage's purchase and renovation of skibo castle have been very good and auspicious for the local people of dornoch firth, scotland because this is a turistic attraction for many people who would want to know the castle, the local people would take advantage about this.

2) yes, it could.