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 | 21,178.7 | 4.14% |
| 2019 | 20,336.9 | 2.21% |
| 2018 | 19,897.2 | 2.21% |
| 2017 | 19,466.7 | 1.96% |
| 2016 | 19,092.7 | -0.73% |
| 2015 | 19,233.4 | 3.66% |
| 2014 | 18,554.1 | 2.41% |
| 2013 | 18,117.3 | 0.48% |
| 2012 | 18,030.9 | 4.73% |
| 2011 | 17,216.5 | 0.26% |
| 2010 | 17,172.2 | 4.97% |
| 2009 | 16,359.3 |