January 18, 2018After three consecutive years of record-high temperatures for the globe, Earth was a slightly cooler planet in 2017. But not by much. Earth’s globally averaged temperature for 2017 made it the third warmest year in NOAA’s 138-year climate record, behind 2016 (warmest) and 2015 (second warmest). However, unlike the past two years, Earth’s average temperature in 2017 was not influenced by the warming effect of an El Nino, say scientists from NOAA’s National Centers for Environmental Information (NCEI). Read more.