CLEAN : Paris climate deal more likely due to Commonwealth accord

The transcript discusses the importance of addressing climate change, highlighting the need for global leaders to converge on solutions at COP 21. It emphasizes the urgency of keeping global temperature rise below 1.5 degrees to prevent catastrophic impacts, especially on vulnerable islands. The speaker calls for action, stressing that the planet's signals must be heeded to ensure sustainable futures.

What does the speaker mean by 'we certainly don't want our islands to be below water'?

What is the clear understanding that the speaker mentions regarding the trip to Paris?