Table 2.

Original research papers that attempt to quantify one or more environmental effects of teleworking. Note papers that quantify transportation distance were included.

Study	Scope of energy/GHG emission quantification					Primary research Method(s)
	Transportation	Offices	Homes	ICT	Metrics of main results	Modeling/simulation	Survey/interview/focus group	Secondary/existing data analysis
[3]	X				E, GHG	X
[7]	X				E, GHG		X
[8]	X				–		X
[17]	X				GHG	X
[22]	X				–			X
[26]	X		X		E
[30]	X				GHG			X
[31]	X				GHG		X
[32]	X				–			X
[46]	X		X		E		X
[49]	X		X		E		X
[54]	X				–			X
[57],[58], [59]	X	X	X		GHG	X
[61]	X				GHG		X
[64]	X				GHG		X
[65]	X		X		E, GHG	X
[70]	X	X	X		E	X
[72], [14], [15], [16]	X				–			X
[82]	X				GHG		X
[78]	X				–		X
[85]		X	X		E		X
[88]	X		X		E		X
[95]	X				GHG			X
[99]	X							X
[102]	X	X	X		E	X
[103]	X	X	X	X	E, GHG	X
[105]	X				GHG	X
[106]		X	X		E	X
[110]	X1				GHG		X
[112]	X				–	X
[113]	X				GHG		X
[114]	X	X	X		E	X
[117]	X				GHG			X
Total (33)	31	7	12	1		10	13	8