The Paris Agreement has achieved one of two key necessary conditions for ultimate success - a broad base of participation among the countries of the world. But another key necessary condition has yet to be achieved - adequate collective ambition of the individual nationally determined...

This report reviews trends and progress on climate change mitigation policies in 34 OECD countries and 10 partner economies (Brazil, China, Colombia, Costa Rica, India, Indonesia, Latvia, Lithuania, the Russian Federation and South Africa), as well as in the European Union. Together, these...