- 0.5 degrees Celcius: Small difference, large effect | For glaciers in the European Alps, it makes a large difference whether the earth's atmosphere will warm by one, one and a half or two degrees Celsius by the end of the century. https://baug.ethz.ch/en/news-and-events/news/2021/06/05-degrees-celcius-small-difference-large-effect.html 8 comments climate