Furthermore, that treaty if reached, would only require countries to cut greenhouse gases after 2020.

In contrast, the Kyoto Protocol, which the treaty is intended to replace, expires next year.

Up until the eleventh hour it had appeared that the world’s leaders remained at loggerheads and the agreement to agree, which has been dubbed the “Durban platform”, was only reached after protracted negotiations that ended after dawn on 11 December — two days after the summit was supposed to end.

Realistically,