Zack Labe@ZLabe@fediscience.org
Methane (CH₄) is a potent greenhouse gas. Here are the latest monthly observations...
April 2025 - 1934.9 ppb
April 2024 - 1929.0 ppb
+ Data: https://gml.noaa.gov/ccgg/trends_ch4/
+ More info on methane budget and trends: https://doi.org/10.5194/essd-17-1873-2025