The Emissions Gap - Emissions Gap Report 2020 Chapter 3

Rogelj, Joeri ; den Elzen, Michel ; Pereira, Joana Portugal ; Höhne, Niklas ; Huppmann, Daniel ; Luderer, Gunnar (2020)

This chapter updates the assessment of the emissions gap for 2030. Consistent with previous Emissions Gap Reports, the emissions gap is defined as the difference between projected global greenhouse gas (GHG) emissions under full implementation of nationally determined contributions (NDCs) and emissions under leastcost pathways consistent with the Paris Agreement long-term goal of limiting global average temperature increase to well below 2oC and pursing efforts to limiting it to 1.5oC compared with pre-industrial levels (section 3.2). This chapter assesses up-to-date emissions scenarios that underlie the quantification of the emissions gap (section 3.3).

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