Green bond is a type of fixed-income instruments, which follows the Four Green Bond Principles stated by the International Capital Market Association (ICMA), and the proceeds from the issuance of which are to be used for the pre-specified types of projects. In general, these projects should both have the clearly defined environmental benefits and aim at promoting progress on environmentally sustainable activities.
The list with all green bonds are available in the bonds search section
Top 20 green bonds issuers league table of 2018 and 2017 are available
Invesment banks league table of green bonds of 2018 and 2017 are available here