ICT is estimated to contribute between 1% and 3% of global greenhouse emissions
Estimated ICT greenhouse emissions as % of global emissions in 2020 by source
User devices
Data centres
Networks
0.00
0.50
1.00
1.50
2.00
2.50%
0.68%
0.22%
0.29%
0.77%
0.86%
0.47%
0.64%
0.78%
1.10%
Malmodin*
Belkhir and Elmeligi†
Andrae and Edler††
