The world concluded four years of negotiations on Saturday with the first universal agreement on climate change. Nearly 190 countries pledged national climate action, and all countries agreed a global long-term goal to phase out greenhouse gas emissions this century, suggesting a turning point in the use of fossil fuels.
The Paris outcome has two parts.
1. A 12-page “Paris Agreement”, which sets out new commitments for climate action beyond 2020, and potentially through this century.
2. A 20-page “Decision”, which describes what countries have to do before the Agreement enters into force in 2020.
Following is an attempt to decipher what all the wonky language means.