The drought across Europe has caused substantial problems. In Germany, the Rhine has all but evaporated. Freights have been forced to reduce their loads across the river, but some are foregoing the route altogether. German authorities have not closed the river but are permitting shippers to cross at their own risk — and it is a risk many are not willing to take. Shipping vessels have been sailing half to a quarter full, according to Reuters, adding to the supply chain bottleneck. Numerous companies are shifting to railway transportation but that will take time. Around 80% of all goods transported...