DURBAN (Reuters) – the rich countries are on track to meet its promise to deliver 30 billion dollars in the short term to finance climate, issues a figure which seeks to help poor nations to tackle warming overall.

However, emerged some questions during the climate talks held in Durban this week about whether donors will be able to strengthen support of $ 100 billion a year by 2020, as part of a Fund in the long term to help the developing countries in their fight against change climate.

“United States undertakes to fulfil our part of the total effort”, on Thursday told reporters Jonathan Pershing, Special Envoy of that country for the climate.

It is expected that more than 190 countries participating in the climate talks sign long-term the ecological climate Fund (GCF), but there are still concerns with respect to where will leave money, given that the debt crisis is hitting the main donors.

Japan, the biggest donor so far delivered 12.5 billion dollars at the end of last month, of the total of about of committed $ 15 billion.

About 3,500 million dollars of its contribution comes from the private sector, while the whole has approached nearly 360 projects in 95 Nations, of which more than half is in Africa or in countries less developed.

United States and the European Union said that they have doomed 5.1 billion euros and 4.7 billion euros, respectively, in the past two years.

Critics have expressed concern about how much of that money will be used for short-term investments – mitigation measures to reduce greenhouse gas emissions – compared with the adaptation, seeking to reduce the vulnerability of those most affected by extreme and changing patterns climate.

(1 dollar = 0,7429 EUR)

(Additional report of Jon Herskovitz and Michael Szabo.) (Edited by Rodrigo Charme in Spanish)