Inventory of non-CO₂ GHG and first estimates of emissions of New Gases in Russia

Abstract

In the First (1995) and the Second (1998) Russian National Communications to the UNFCCC, estimates of CO₂ and non-CO₂ emissions for the 1990 and 1994 were presented. Total emissions of CH₄ decreased from 557 Mt CO₂-equiv. in 1990 to 412 Mt CO₂-equiv. in 1994. The largest source of methane was fugitive emissions from the energy sector. Total N₂O emissions were 70 Mt CO₂-equiv. in 1990 and 40 Mt CO₂-equiv. in 1994. Agriculture was the dominant source of N₂O (fertilizer-use and manure storage). The Institute of Global Climate and Ecology carried out first assessments of HFC and PFC emissions. Their total emissions in 1990–1994 were estimated as 40 Mt CO₂-equiv./yr. Aluminium production is the main PFC source: 4.7 and 4.2 that in 1990 and 1994 respectively. The release of HFC-23 during HCFC-22 production contributed about 0.8 that. The current use of HFC-134a is relatively small but it could potentially grow quickly. The improvement of inventory completeness and quality is considered a very important task, especially for New Gases.