[in progress] only accessible for the teacher!
https://2020.the-horse.education/post/how-much-energy-is-a-human-life-worth1
https://2020.the-horse.education/post/cosmetics-good-or-bad
https://2020.the-horse.education/post/cirular-economy
https://2020.the-horse.education/post/documents-for-short-presentation-about-grey-energy
https://2020.the-horse.education/post/worldwide-transportation
https://dontwastemy.energy/2019/03/12/bournemouth-showcase/