Title: A complete rethink is needed on how greenhouse gas emissions are quantified for national reporting
Authors: LEIP ADRIANSKIBA UTEVERMEULEN ALEXTHOMPSON RONA
Citation: ATMOSPHERIC ENVIRONMENT vol. 174 p. 237–240
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication Year: 2018
JRC N°: JRC109493
ISSN: 1352-2310
URI: http://www.sciencedirect.com/science/article/pii/S1352231017308300
http://publications.jrc.ec.europa.eu/repository/handle/JRC109493
DOI: 10.1016/j.atmosenv.2017.12.006
Type: Articles in periodicals and books
Abstract: The 2015 Conference of the Parties (COP21) in Paris has for the first time agreed that both developed and developing countries need to reduce greenhouse gas (GHG) emissions to maintain a global average temperature ‘well below’ 2ºC and aim to limit the increase to less than 1.5ºC above pre-industrial temperatures. This requires more ambitious emission reduction targets and an increased level of cooperation and transparency between countries. With the start of the second Kyoto Commitment period in 2013, and the 2015 Paris Agreement, it is, therefore, timely to reconsider how GHG emissions are determined and verified. The policy agenda is currently centred on GHG emission estimates from bottom-up inventories (see box 1a). This includes annual national reporting of GHG emissions (e.g. to the United Nations Framework Convention on Climate Change (UNFCCC) and defining emission reduction targets. However, bottom-up emission estimates rely on highly uncertain and, in some cases, sparse input data and poorly characterized emission factors. In order to enhance accuracy, cost-efficiency and transparency of the process to assess progress towards the national emissions reduction targets, we call for a rethink of the current reliance on ‘bottom-up’ inventories for reporting national and global anthropogenic GHG emissions.
JRC Directorate:Sustainable Resources

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