During the course of the decade, climate change was a growing topic of concern, with more than half of the global population viewing it as a "very serious problem" in 2015 and giving broad support for limits on greenhouse gas emissions to address the issue.
在這十年中，氣候變遷成為一個日益受關注的話題，2015年全球一半以上的人口將其視為“非常嚴重的問題”，並對溫室氣體給予限制排放，解決這個問題，受到廣泛支持。