The biggest climate meeting of the year is taking place this month, with world leaders and scientists from more than 190 countries invited to the Brazilian city of Belem. COP30 , which will run from 10-21 November, is coming at a particularly precarious time for climate action. The conference itself has also faced controversy over its location in the Brazilian city, which sits on the outskirts of the Amazon rainforest. Here's everything you need to know about COP30 - from why it's proving