Green bond issuance fell to a two-year low in the first quarter.
The exchange hopes to list carbon funds later this year.
The Green Equity Designations program was launched due to demands for more ESG transparency.
Critics said the inclusion will impact credibility and usefulness of the framework for investors.
Annual issuance in 2021 was a record and marks 10 consecutive years of green market expansion.
Volumes of sustainable debt surpassed $1.6 trillion in 2021.
This year ICE will expand carbon credit markets and launch its first carbon index futures contract.
Instruments on the Nasdaq Sustainable Debt Market need to meet specific listing criteria.
Year-to-date ESG bond and loan volumes have surpassed the 2020 total despite quarterly decline.
