THE RECORD
What changed
Adopted at COP21 in 2015, it seeks to hold warming well below 2°C and pursue 1.5°C.
EVIDENCE
What remains
The treaty, NDCs, transparency reports and emissions data reveal gaps between pledges and action.
WHY IT MATTERS
Why it matters
It united climate action under one agreement through ratcheting rather than imposed national quotas.
OPEN QUESTION
Where interpretation begins
Agreement alone does not cut emissions; policy, finance, equity and historical responsibility determine outcomes.