State of the Climate 2017

The Global Warming Policy Foundation

By: Ole Humlum - former Professor of Physical Geography at the University Centre in Svalbard, Norway, and Emeritus Professor of Physical Geography, University of Oslo, Norway.

1. It is likely that 2017 was one of the warmest years, according to temperature records from the instrumental period (since about 1850). However, it was cooler than 2016.

2. At the end of 2017 the average global air temperature was dropping back towards the level characterising the years before the strong 2015–16 oceanographic El Niño episode. This underscores that the global surface temperature peak of 2015–16 was caused mainly by this Pacific oceanographic phenomenon. It also suggests … Complete Report