An irregularly occurring climatic phenomenon, but that usually occurs every three to five years. It is evident during the Christmas season (El Niño referes to “baby Jesus”) on the oceanic surfaces of the eastern part of the tropical Pacific Ocean. The phenomenon involves seasonal changes in tropical winds direction that circulate over the Pacific region and abnormally warm ocean surface temperatures. The changes in the tropical regions are very intense, breaking their climatic standards throughout and in higher latitudes, mainly in Central and North America.
Entry into force
Entry into force
Intergovernmental agreements, including protocols and amendments, are not legally valid until ratified by a certain number of countries. For the UNFCCC creation, it took 50 countries; as for ratifying the Kyoto Protocol, at least 55 countries were required...