Call to help: Karen Donaldson, who volunteered at Glasgow 2014 Commonwealth Games, says helping out at COP26 will be once-in-a-lifetime chance GLASGOW City Council today launches an appeal for 1,000 volunteers to help support the staging of the UK’s most prestigious international gathering: the United Nations’ Conference of the Parties climate change summit. The COP26 event, which will run from November 1 to 12 at the Scottish Event Campus, is due to see scores of world leaders descend on Scotland in what will be the largest such gathering ever to take place in the UK. Among those expected to attend will be Joe Biden, the new US President, Xi Jinping, the President of China, and Hassan Rouhani, the President of Iran, who studied law in the mid-1990s at Glasgow Caledonian University.