{"dataset":"greenhouse-gases","version":"2026-10-25.9ba0b993cf","kind":"series","series":[{"id":"ch4","name":"Methane (CH4), monthly global mean","locations":["world"]},{"id":"ch4-trend","name":"Methane (CH4), monthly global mean with the average seasonal cycle removed","locations":["world"]},{"id":"n2o","name":"Nitrous oxide (N2O), monthly global mean","locations":["world"]},{"id":"n2o-trend","name":"Nitrous oxide (N2O), monthly global mean with the average seasonal cycle removed","locations":["world"]}],"locations":[{"id":"world","name":"Global marine surface average"}]}