Chapter 2: Emission trends, pledges and their implementation
The emissions gap in 2020 is the difference between
emission levels in 2020 consistent with meeting climate
targets, and levels expected in that year if country pledges
and commitments are met. As it becomes less and less
likely that the emissions gap will be closed by 2020, the
world will have to rely on more difficult, costlier and
riskier means after 2020 of keeping the global average
temperature increase below 2° C. If the emissions gap is
not closed, or significantly narrowed, by 2020, the door to
many options limiting the temperature increase to 1.5° C at
the end of this century will be closed.
DEN ELZEN Michel;
FRANSEN Taryn;
ROGNER Hans-Holger;
GÜTSCHOW Johannes;
GRASSI Giacomo;
HÖHNE N.;
LEVIN Kelly;
SAWIN Elizabeth;
ROELFSEMA Mark;
TAYLOR Christopher;
XIUSHENG Zhao;
2014-02-19
United Nations Environment Programme (UNEP)
JRC85706
978-92-807-3353-2,
http://www.unep.org/publications/contents/pub_details_search.asp?ID=6328,
https://publications.jrc.ec.europa.eu/repository/handle/JRC85706,
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