Everybody talks about wind and solar power when it comes to sustainable energy supply. But what happens to windmills when they get renewed and Silicon solar cells with their poisonous metals inside? Recent articles discuss these problems; we highlight some findings.
Links:
Peter Hesseldahl in Mandag Morgen https://www.altinget.dk/digital/artikel/vedvarende-energi-er-ikke-cirkulaer
The Guardian article on concrete: https://www.theguardian.com/cities/2019/feb/25/concrete-the-most-destructive-material-on-earth 
 
Total run time 9:17 minutes
Speakers: Katharina Rubahn, Oliver Niebuhr

Intro text is spoken by Christian Sollberger, https://www.speech-academy.com/
Intro music created by sscheidl from Pixabay
Outro music: Nature Documentary - GEMAfreie Musik von https://audiohub.de

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