Fig. 1: The distribution of carbon reduction targets and carbon emissions of 163 countries.
From: Effectiveness of carbon dioxide emission target is linked to country ambition and education level

a Countries with carbon emission reduction targets over time of control group (green) and treatment group (in red); b Carbon emission intensity over time of control group (green) and treatment group (pre in yellow and post in red). Treated (Pre) indicates when a target has not been proposed and Treated (Post) indicates when the target has been proposed.