Atmospheric CH 4 plateau sustained by NO x emission rise and southward shift.

Methane exhibits decadal variability in atmospheric growth rates 1 .

Methane exhibits decadal variability in atmospheric growth rates 1 . During the 1990s, atmospheric methane growth slowed relative to the 1980s, largely attributed to the stabilization or decline in anthropogenic emissions 2-7 . By contrast, economic expansion in the early 2000s…