Back in 2015, it was a group of the most climate-vulnerable island nations that succeeded in getting the target of limiting 1.5 degrees Celsius written into the Paris agreement. They’re back in Glasgow for COP26 to make sure the world stays on target. The World’s Carolyn Beeler is in Glasgow and spoke to Mohamed Nasheed, former president and current Speaker of Parliament for the Indian Ocean nation of The Maldives about what’s at stake.