COP28, the most important UN climate conference since the Paris Summit 2015, is being held in Dubai this year. For the first time, around 200 states of the UNFCCC framework convention will officially review their efforts in the form of the Global Stocktake (GST) and lay important foundations for future measures. The host, the United Arab Emirates (UAE), is expecting up to 70,000 visitors from all over the world to attend the conference from 30 November to 12 December. Here is an overview of key topics.