Länder, die zuerst ihre Treibhausgasemissionen reduzieren sollten

Diese Frage wurde bei der Befragung in folgendem Wortlaut gestellt: "Some people believe that gases from motor vehicles and factories contribute to global warming. Some countries with developed economies like the United States, Germany, and Japan have been emitting these gases for many years; however, emissions are growing quickly in countries with fast-growing economies like China, India, and Brazil. Which group of countries should reduce emissions first?" Die Quelle macht keine Angabe zu der Anzahl der Befragten.