The greener beer bottle comes from Freiberg
Brown bottles protect beer and medicines from light, but their production has a negative impact on the climate. A team from TU Bergakademie Freiberg has proven in the laboratory that amber glass can also be produced using electricity instead of natural gas. 86 percent less CO₂ would be possible. How this works and what the trick is with the "cold lid" on the red-hot melt.