The share of carbon-free electricity has barely budged
Global electricity generation by fuel source (%).
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
Fossil fuels
Hydroelectric
Nuclear
Renewables
f
in
