In accordance with the current UNFCCC GHG reporting guidelines, the calculation and reporting of methane emissions is based on global warming potentials (GWP) relating to a 100-year time horizon.
I gcomhréir leis na treoracha reatha ón UNFCCC maidir le GCT a thuairisciú, bunaítear ríomh agus tuairisciú na n-astaíochtaí meatáin ar na dóchúlachtaí go n-ardófar an teas domhanda (GWP) a bhaineann le meatán thar thréimhse ama 100 bliain.