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Earth s atmosphere as seen from space. Image: nasa 2021-03-17 16:00:00 UTC Climate 101 is a Mashable series that answers provoking and salient questions about Earth’s warming climate.  The potent greenhouse gas methane continues to increase in Earth s atmosphere, and it shows no sign of slowing down. The National Oceanic and Atmospheric Administration (NOAA) graph below paints a clear picture. Following a temporary flattening or stabilization of methane levels in the aughts, the odorless, invisible gas has continually risen since around 2008, and more recently has accelerated.  Methane is a problematic greenhouse gas because it traps heat on the planet 28 times better than carbon dioxide. (Methane lives in the atmosphere for about a decade before breaking down into the major greenhouse gas carbon dioxide.) Over the last two centuries, as fossil fuel use and cattle ranching expanded around the globe (both make methane emissions), atmospheric methane levels have over

Ed dlugokenckySteven smithManvendra dubeyEnvironmental research letters globalGlobal monitoring laboratoryNational oceanicAtmospheric administrationDepartment of energy pacific northwest national laboratoryLos alamos national laboratoryEnvironmental research lettersLos alamos nationalPacific northwest nationalResearch lettersSoviet unionஸ்டீவன் ஸ்மித்மன்வேந்திரா டுபேய்