メタン排出は、農業や工業メタン生産など、人間の活動に起因するものです。
| 日付 | 値 | 変更 , % |
|---|---|---|
| 2020 | 21,990.1 | -0.47% |
| 2019 | 22,093.8 | -0.76% |
| 2018 | 22,262.1 | -0.17% |
| 2017 | 22,299.4 | -0.47% |
| 2016 | 22,404.3 | -1.48% |
| 2015 | 22,740.5 | -0.87% |
| 2014 | 22,940.5 | -1.16% |
| 2013 | 23,209.9 | -0.87% |
| 2012 | 23,413.6 | 0.01% |
| 2011 | 23,411.4 | -1.65% |
| 2010 | 23,803.7 | 0.71% |
| 2009 | 23,635.7 |