The queues are so bad that thousands of people have been left shivering outside in the cold. A US Democratic president has arrived without the landmark climate change legislation he is still struggling to push through Congress. Poor countries say rich ones have failed to live up to past climate promises, and the bleak shadow of a global crisis hangs over the entire event.
So goes the COP26 climate summit that opened in Glasgow this week. But it is what happened at another UN climate conference that evokes such bitter memories that survivors still shudder at any mention of “the C word”.
C stands for Copenhagen, the Danish city that hosted another huge UN climate meeting in the icy December of 2009.