We all know and praise those German noble hops out of the Hallertau such as Hallertauer Mittelfrueh, Spalter Select, Tettnanger and Hersbrucker and use them in our traditional style Lagers, whether we be in Germany or somewhere else in the world. These hop varieties have been and still are a part of the framework of a very old and traditional brewing style that Germany has become known for.Unfortunately, unlike traditions, mother nature does not believe in keeping everything the same. As the years have progressed, so to have ever increasing climate temperatures which pose a problem for the hop growers in the Hallertau. Since 1881 the average annual temperature in Germany has risen by 1.6°C . These rises in temperature have an effect on many noble hops in Europe, leading to smaller yields, unstable alpha and hop oil contents of the cones (which has a lot to do with an unwanted earlier blooming of the hop plant, resulting in a less homogeneous harvest) and decreased resistance to pests . A great example of this is the Saaz hop in the CR, a hop variety that has been experiencing a steady decrease in alpha content from year to year . On top of this, German hop farmer have found themselves needing to irrigate their fields, a concept that is not normal for the hop growers of the Hallertau.