A new climate projection layer is now available in ArcGIS Living Atlas of the World: Global Seasonal Change Projections. This dataset offers a new look at how the timing of spring, summer, fall, and winter is expected to change across the globe through the end of the 21st century.

To learn more about accessing the layer and to see change over time examples, check out this blog by @EmilyMeriam1 and Raf Antwerpen.