In 2030, global greenhouse gas emissions have been at most 50% of those in 2018.

Created by Bruno Parga on 2020-01-03; known on 2031-01-01

• Bruno Parga estimated 2% on 2020-01-03
• Bruno Parga said “Based on whatever the current most relevant metric is, retroactively applied to 2018 if at all possible. Inspired by https://cutt.ly/LrueYJX” on 2020-01-03
• Bruno Parga said “What are ways this prediction currently is, or could conceivably become, ambiguous? How do we solve that ambiguity?” on 2020-01-03
• pranomostro estimated 2% on 2020-01-11
• Baeboo estimated 6% on 2020-01-12