Geneva (Reuters) Рglobal temperatures in the 2011 reached its greatest eleventh level since that have records despite the influence of the phenomenon of La Ni̱a, which tends to cool the thermometers, said Friday in a report the World Meteorological Organization ( WMO).

In average global temperatures in the 2011 were lower than the level record reached the previous year, but still were 0.40 degrees Celsius higher than the average between 1961 and 1990, according to the report.

“the world is warming due to human activities and this is generating an impact of far-reaching and potentially irreversible above our land, atmosphere, and oceans”, said the Secretary general of WMO, Michel Jarraud.

La Niña, a natural climate phenomenon linked to heavy rains and floods in the Asia-Pacific and South America and drought in Africa, was extremely active in the tropical Pacific until May of 2011.

(Report of Emma Farge; additional report of Nina Chestney in London.) (Edited in Spanish by Patricio Abusleme)