Moderation: NN
Germany has been diligently recycling paper, metal, and plastic for around 35 years. There's an established recycling industry. Nevertheless, more and more new processes are emerging. Why? Are there any problems?
A scientific and technological perspective provides some clues. These can guide economics and ecology in deciding what to do and what not to do.
Moderation: Wolfgang Gerhartz
Recycling soot from old tires is not new. People have been working on this technology for over 40 years. Soot is a relatively valuable industrial raw material, the production of which through targeted combustion is much more energy-intensive than the recovery from old tires. Recycling is highly valued. Nevertheless, there is still "a lot of room for improvement" in the recovery rate. Why is that?
Moderation: Wolfgang Gerhartz
We are annoyed by every picture of plastic waste in the sea. What happened there is irresponsible. News about ocean littering is piling up. It is emotionally moving. But what facts do we know? How great is the potential danger?
What can be done? What gaps in knowledge still exist? This is the subject of the short presentation “Plastic waste – knowledge and speculation”.
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last modified: 26.06.2025 06:48 H from W.Gerhartz
