These are the numbers that matter. A difficult global transition is happening right now, away from fossil fuels, deforestation, greenhouse-gas pollution and melting ice. It can be measured with precision and clarity. The processes described by this data dashboard are occurring on a planetary scale, and yet our progress can be measured this minute, in parts per million, in metric tons, in fractions of a degree. This is Bloomberg Green’s guide to the worldwide goal of slowing and stopping warming temperatures. This is a record of how far we have to go, and a tool to assess how much we can change.