Japan experienced its warmest spring on record this year, the national weather agency said June 1, as greenhouse gasses and El Niño combine to send temperatures soaring worldwide.Philip Fong | Afp | Getty ImagesEl Niño has arrived.The U.N. weather agency on Tuesday declared the onset of the major climate phenomenon, warning its return paves the way for a likely spike in global temperatures and extreme weather conditions.The World Meteorological Organization estimated that there’s a 90% probability of the El Niño event persisting through the second half of the year and it is expected to be “at least moderate strength.”It urged governments across the globe to respond to its declaration by taking immediate steps to help protect lives and livelihoods.”The onset of El Niño will greatly increase the likelihood of breaking temperature records and triggering more extreme heat in many parts of the world and i …
