Earth will cross warming threshold this decade: study

(The Hill) -- Research published Thursday in the Oxford Open Climate Change journal suggests the world will reach the threshold of 1.5 degrees Celsius of warming by the end of the decade.In addition to crossing the 1.5-degree threshold, the limit set by the Paris Climate Agreement, by 2030, the study suggests the Earth will hit 2 degrees of warming by 2050. Earlier projections have suggested the world would reach these thresholds later, around 2035 and 2055, respectively. Lead aut