New Zealand has just had its warmest year since records began more than 150 years ago.
Scientists say last year was ever so slightly hotter than the previous warmest year on record, 2016.
Veteran climate scientist Jim Salinger has calculated the mean annual land surface temperature in 2018 was 13.5 degrees Celsius, which was 0.85C above the 1981-2010 average.
January, March, July and December were all at least 1C above normal, with January being massive 3.2C above average, the hottest month ever
Overall, the country has heated up by 1.3C since records began in 1867.
Prof Salinger wants people to act on climate change sooner rather than later. The gravity of climate change was obvious when one looked at the change in the Southern Alps, he said. The Alps have lost 40