Six Ways the COP30 Climate Summit Can Succeed or Fail

When Brazil was named host of the COP30 climate summit two years ago, it was seen as the perfect celebration of the 10th anniversary of the Paris Agreement, where nations pledged to keep climate change within safe limits.

In a month’s time, nearly 200 countries will gather at the gates of the Amazon rainforest for a new round of United Nations-sponsored climate talks. But there is still intense discussion about what the main outcome ought to be.

Unlike its past two editions, COP30 (officially, the 30th Conference of the Parties) doesn’t have a big headline deliverable. At COP29 in Azerbaijan ...