DATA Carbon Budget 2017 update

	A	B	C	D	E	F	G	H	I	J	K
1
2
3			Carbon Budget 2017
4
5			<1.5C			<2C			<3C
6		Budget	66%	50%	33%	66%	50%	33%	66%	50%	33%
7		Carbon budget as of 2011 (a)	400	550	850	1000	1300	1500	2400	2800	3250
8		Total CO2 emissions from 2011 to 2016 (inclusive)	237.98	237.98	237.98	237.98	237.98	237.98	237.98	237.98	237.98
9		Carbon budget as of 2017	162.02	312.02	612.02	762.02	1,062.02	1,262.02	2,162.02	2,562.02	3,012.02
10		Years left (at 2016 emissions)	4.06	7.82	15.34	19.09	26.61	31.62	54.17	64.20	75.47
11		As above, in years / months	4 yrs / 1 mths	7 yrs / 10 mths	15 yrs / 4 mths	19 yrs / 1 mths	26 yrs / 7 mths	31 yrs / 7 mths	54 yrs / 2 mths	64 yrs / 2 mths	75 yrs / 6 mths
12
13		Emissions	2011	2012	2013	2014	2015	2016
14		Fossil fuels & cement production (GtC) (b)	9.54	9.69	9.82	9.89	9.90	9.93
15		Land use (GtC) (b)	0.91	0.97	0.92	1.10	1.32	0.96
16		Fossil fuels & cement production (GtCO2)	34.95	35.50	35.98	36.24	36.27	36.40	(c)
17		Land use (GtCO2)	3.33	3.55	3.37	4.03	4.84	3.51	(d)
18		Total CO2 from all human sources (GtCO2)	38.29	39.06	39.35	40.27	41.11	39.91
19
20		Data sources
21	(a)	Taken from Table 2.2 in the IPCC AR5 Synthesis Report: http://www.ipcc.ch/pdf/assessment-report/ar5/syr/SYR_AR5_FINAL_full_wcover.pdf
22	(b)	Global Carbon Budget 2016 emissions dataset v1.0 (Dec 2016): Excel file available here: http://cdiac.ornl.gov/GCP/
23	(c)	For 2016 data only: Le Quéré, C. et al. (2016) Global Carbon Budget 2016, Earth Syst. Sci. Data, 8, 605–649: http://www.earth-syst-sci-data.net/8/605/2016/
24	(d)	Data not yet available for 2016, so average taken of previous 10 years
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100