sustainability – Watch documentaries of all time

Recycling e-waste – Good for business and the environment |

Albert — Tue, 20 Jun 2023 16:00:24 +0000

One way to tackle e-waste is to repair devices rather than throw them out. More companies are doing just that, from recycling solar modules to renting out second-hand smartphones. Their goal is to reduce e-waste and protect the environment.

Experts predict that by 2030, more than one million tons of solar modules will end up as waste in Germany alone. With his company 2ndlifesolar in Hamburg, engineer Martin Wilke wants to ensure that as many of these discarded modules as possible are recycled, for example as a small-scale solar panel system on a balcony. The company also recycles the raw materials in the discarded modules, such as silver and silicon.

And in the French city of Strasbourg, Elie Assémat is working to eliminate e-waste altogether. He’s the co-founder of the cooperative Commown, which has been renting out smartphones, computers, and headphones since 2018. Assémat is primarily concerned with sustainability and promoting product longevity.

India, meanwhile, has become a dumping ground for e-waste from all over the world, including illegal waste from Europe. Tens of thousands of people make a living from processing and reselling e-waste under dangerous working conditions. Swiss environmental scientist Dea Wehrli wants to tackle the problem with a project called E(co)work. It allows Indian scrap metal workers to rent a work or storage space that is safe and in line with regulations.

#documentary #dwdocumentary #recycling #environment
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From smartphones to e-cars – How important is the lithium-ion battery? |

Albert — Wed, 15 Feb 2023 17:00:00 +0000

The lithium-ion battery is proving to be one of the most important innovations for the 21st century. This new technology is the cornerstone of e-mobility and digitalization. It’s set to play a big role in enabling the switch to renewable energies.

Without the lithium-ion battery, many of the technological innovations we take for granted today would be almost inconceivable. From smartphones to e-cars, the lithium-ion battery can be found in almost every battery-powered device.

The technology is particularly well-established in one, perhaps surprising, place: the warehouse. In the field of “intralogistics,” e-mobility is already the order of the day. In fact, lithium-ion forklifts have been hard at work in warehouses around the world for more than a decade.

The Hamburg-based Jungheinrich company is a trailblazer in this technology. But pioneering comes with challenges. Intralogistics deals with a wide variety of issues, from artificial intelligence to sustainability, resource availability, and recycling. This film explores the extraction of lithium, the production of state-of-the-art cells and their use in vehicles and AI-controlled large-scale energy storage. It highlights the latest developments in this promising and rapidly advancing field.

#documentary #dwdocumentary #lithium #technology
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The 3D printing revolution |

Albert — Sat, 23 May 2020 17:00:31 +0000

Three-dimensional printing promises new opportunities for more sustainable and local production. But does 3D printing make everything better? This film shows how innovation can change the world of goods.

Is the way we make things about to become the next revolution? Traditional manufacturing techniques like milling, casting and gluing could soon be replaced by 3D printing -saving enormous amounts of material and energy. Aircraft maker Airbus is already benefiting from the new manufacturing method. Beginning this year, the A350 airliner will fly with printed door locking shafts. Where previously ten parts had to be installed, today that’s down to just one. It saves a lot of manufacturing steps. And 3D printing can imitate nature’s efficient construction processes, something barely possible in conventional manufacturing. Another benefit of the new technology is that components can become significantly lighter and more robust, and material can be saved during production. But the Airbus development team is not yet satisfied. The printed cabin partition in the A350 has become 45 percent lighter thanks to the new structure, but it is complex and expensive to manufacture. It takes 900 hours to print just one partition, a problem that print manufacturers have not yet been able to solve. The technology is already being used in Adidas shoes: The sportswear company says it is currently the world’s largest manufacturer of 3D-printed components. The next step is sustainable materials, such as biological synthetic resins that do not use petroleum and can be liquefied again without loss of quality and are therefore completely recyclable. This documentary sheds light on the diverse uses of 3D printing.

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