The meeting, hosted by the Norwegian minister of foreign affairs, Borge Brende, and climate and environment minister Tine Sundtoft, was attended by officials from 24 developed and developing countries.

Christiana Figueres, executive secretary of the UN Framework Convention on Climate Change, hopes to see at least $10bn raised for the fund by the end of this year.

“I am content that the process got off to a good start in Oslo, and deliberations were held in a good atmosphere.