Environment News Service: Weather forecasting centers around the world have now declared that an El Nio, the most powerful fluctuation in Earths climate system, has begun in the tropical Pacific.
El Nio is a warming of the Pacific Ocean as part of a complex cycle linking atmosphere and ocean. An El Nio can raise global temperatures, says the UKs Met Office.
A El Nio event brings a higher risk of more, and more severe, tropical cyclones. Impacts on the biosphere are expected, such as coral bleaching and widespread...