Selection of articles based on inclusion and exclusion criteria
| Inclusion criteria | Exclusion criteria |
| Peer-reviewed articles with all types of methods | conference proceedings, dissertations |
| Publication types (original research article; reviews; commentaries; editorials; case studies; and grey literature including conference papers, corporate sustainability reports, theses and technical guidance documents) | The language used does not include English, Chinese or Indonesian. |
| Indexed in MEDLINE, Scopus and Embase | |
| Published since 1997* | |
| No restriction to geographical origin or population |
*Date of publication: The Kyoto Protocol, an international agreement signed in 1997 (UN Doc FCCC/CP/1997/7/Add.1, Dec. 10, 1997; 37 ILM 22 (1998) which linked to the United Nations Framework Convention on Climate Change (UNFCCC), which commits its Parties by setting internationally binding emission reduction targets.