Tens of thousands of people from every corner of the globe are preparing to gather in Glasgow for a two-week United Nations summit that could shape how — and whether — the world effectively slows climate change in the years ahead. Here are answers to some key questions about the talks:

What to know

  • What is “COP26”?
  • How is this related to the Paris agreement?
  • How has the world done so far in meeting the goals of the Paris agreement?
  • What countries will be key players at COP26?
  • What is on the agenda for COP26? What will success or failure look like?
  • What does the science say needs to happen?