Sometimes it seems like a bad dream: floods, air pollution, traffic jams. Sometimes it feels like we’re surrounded by eco-monsters. But they can be defeated. YouTuber Alex Lin presents state-of-the-art devices. Arthur Zhang builds machines for upcycling plastics. And Japanese researchers are even working on mirrors in space.

DW presents: UNSEEN (Five-part documentary series)
Invisible guests in your food, your hometown sinking, unhealthy dust hiding in your lungs. Discover heroes with amazing solutions – and inspiration for a better life!

Keeping your kids safe from air pollution / UNSEEN (1/5): https://youtu.be/KrsGQpSv5Co
How to avoid microplastics in your food / UNSEEN (2/5): https://youtu.be/acMYHAmNLlE
Fighting the floods: how not to lose your city / UNSEEN (3/5): https://youtu.be/9BTrzAGhy8U
How to cope with traffic jams (without going crazy) / UNSEEN (4/5): https://youtu.be/Hh1Do3PQCWA
How technology makes life easier – and what’s still up to you / UNSEEN (5/5): https://youtu.be/EJi3Vxdyqv0

UNSEEN opens your eyes. We travel through Southeast Asia and discover stories about people whose lives could be yours. In Indonesia, children suffer from air pollution – something doctors, architects and entrepreneurs are fighting with innovative and original concepts. Then we head to Malaysia for an episode in learning how to deal with microplastics in food. We follow a fan of great cuisine on his own personal journey. What’s safe to eat and drink? Which products are good, and which don’t measure up? Next up is Thailand’s capital Bangkok, one of Asia’s sinking cities. Its inhabitants prepare for future floods, adapting their city and seeking tools to make their homes safe. In Vietnam we get caught in gridlock. Nothing new! But this time, we’re stuck with some cool rappers teaching people how not to go crazy in traffic. And finally, in Taiwan, it’s all about green tech. Learn about the hopes and limits of the new technologies being developed to solve life’s challenges. Join us on an exciting trip in five episodes – one that will open your eyes to beastly challenges and promising solutions!

DW’S UNSEEN MONSTERS
#documentary #DWsUnseenMonsters #Taiwan #AI #greentech
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Some scientists believe that we need to explore radical, and perhaps dangerous, technologies in order to be able to lower the earth’s temperature through geoengineering in the near future.
Science journalist Ingolf Baur explores the feasibility and risks of leading geoengineering projects. His journey takes him to meet scientists in Switzerland, Iceland, the US and Peru. Along the way, he encounters two very different strategies: One is to fish climate-damaging CO2 from the atmosphere and sink it underground or in the deep sea. The other, and this is the far more controversial strategy, seeks to develop techniques that dim sunlight.

Global warming is causing entire mountain ridges like the Moosfluh above Switzerland’s Aletsch Glacier to break off. Such dramatic changes could increase the pressure to try geoengineering.
Its most prominent proponent is David Keith from Harvard University in the US. He’s devised experiments to to sound out the possibilities of “solar geoengineering.” His idea is for fleets of aircraft to dump millions of tons of sulfur into the stratosphere every year, where it should reflect part of the incoming sunlight back into space. As audacious as this method seems, it’s actually no different to what happens during volcanic eruptions.

Or could we still manage to get greenhouse gases out of the atmosphere again? In Iceland, a group of researchers is using a special process to filter carbon dioxide from the air and pump it 2,000 meters deep into basalt rock. The surprise: after a few months, the CO2 is already reacting chemically and turning to stone, which renders it harmless – permanently. The quantities are still far too small, but it shows that as controversial and risky as some geoengineering methods may be, in the end we may need technology to avert or at least mitigate the effects of climate collapse.

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DW Documentary gives you knowledge beyond the headlines. Watch high-class documentaries from German broadcasters and international production companies. Meet intriguing people, travel to distant lands, get a look behind the complexities of daily life and build a deeper understanding of current affairs and global events. Subscribe and explore the world around you with DW Documentary.

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