Comment

Between December 2014 and February 2016 our experts supported a number of countries in formulating their climate plans ahead of the COP21 summit in Paris. They share three key lessons, which are highly relevant for implementing the Paris Agreement in some of the most vulnerable countries and communities around the world.

The Paris Agreement opens for signature on 22 April 2016. Here's a guide to the steps towards its ratification, who is expected to take part and why early action is so important.

The inclusion of a 1.5°C temperature limit in the new Paris climate agreement was a major victory for the poorest countries and island nations who came to Paris saying they wanted the world to act.