Google Cloud Speech-to-Text API (Chirp) + Gemini 2.5 Flash Non-Thinking. Treat it as a searchable index of what was broadcast, not a quotation record.
00:00:00What do you think, have you ever been moved by a VR
00:00:03experience? How powerful can it be in today's world? Let us
00:00:07know in the comments. See you next time on
00:00:24waste stream, but this earth has a Shift.
00:00:33Aspirin Protect 100 mg is recommended for people with
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00:00:48consult a doctor or pharmacist.
00:00:52Bayer. I would do it better arhotekt,
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00:01:20will run the golden circle, how do
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00:02:40centers. Aspirin Protect 100 mg is recommended for
00:02:44people with high and very high risk of
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00:02:55and adverse drug reactions, consult a doctor or pharmacist.
00:02:58Bayer.
00:03:15From building with wood to recycling
00:03:18concrete, the construction industry is looking for ways
00:03:22to reduce its massive carbon
00:03:23footprint,
00:03:27but it's still early days for change in the sector.
00:03:33One new sustainable approach and much more coming up tomorrow
00:03:37today.
00:03:42Could this soil be the answer to the construction sector's dirty little
00:03:46secret? We have to really speed up things
00:03:50and we have to drastically transform the way that
00:03:53we handle and consume resources at all
00:03:55ways to improve it. One of levels.
00:03:58Every week a truck load of soil. an old aircraft hanger in
00:04:01Berlin. It looks just like regular dirt because it
00:04:04is, but squashed
00:04:06colleague are in one of into blocks, it becomes something potentially revolutionary,
00:04:09compared to traditional clay bricks making the soil blocks emits
00:04:1397% less carbon dioxide. A revolution
00:04:16is needed because in environmental terms the construction industry is
00:04:20filthy. The building sector is the world's biggest
00:04:23polluter. According to the UN, between 2024 and
00:04:262025, it accounted for 34% of. global
00:04:30CO2 emissions over the same time period, that's more than the
00:04:33automotive and aviation sectors combined. One
00:04:37reason is the way traditional building materials are made. To
00:04:41make them strong enough to use, clay bricks are baked in furnaces that hit temperatures
00:04:45exceeding a, Celsius, and they have to spend several days in the
00:04:49oven. Those kilns are typically powered by fossil fuels and
00:04:52release massive amounts of soot and carbon dioxide into the
00:04:55atmosphere. It's very cheaply and very fast.
00:05:00built with no intention of lasting longer than 40 to 50
00:05:03years, which is
00:05:05insane.
00:05:08as soon as they're no longer wanted, buildings often raised to the ground.
00:05:12and lot of that debris just sends up in
00:05:14landfill.
00:05:19Christian Gater Earthbound hopes his blocks could change
00:05:22this. The soil for them is taken from excavation was a
00:05:26construction site on the outskirts of Berlin. Germany's
00:05:29federal environment agency reports demolition and construction waste like
00:05:33this comprises the country's biggest
00:05:36different destiny. We were very interested in this
00:05:40sort of d-value chain of excavation. material being moved from the
00:05:44construction side and then just deposited in land filled as
00:05:47waste, so we thought there was great potential and actually using this
00:05:51resource. after reaching Christian site, the soil
00:05:54is first dried and broken up, then mixed with a tiny bit of water
00:05:58and
00:05:58compressed.
00:06:03there's two things that really come together here, one is that the production
00:06:07process doesn't use any other chemical binders, which on
00:06:11the one hand means that it's very, very... low in terms of CO2 emissions
00:06:14and on the other hand, it also means that there are no toxic gases or
00:06:18any toxic substances released in the process when a building is
00:06:22constructed from the material. The
00:06:24eco bricks compete with their traditional counterparts in terms of their ability to
00:06:28bear loads and can support building of up to 17 meters
00:06:31tall, four or five stories high. Each brick can withstand
00:06:35roughly 29 metric tons of pressure before breaking. That's
00:06:39roughly the weight of 15 cars. box
00:06:42can be laid with mortar and plaster also made from earth, rooms in
00:06:46houses made from them are cooler and more humid. i really hope
00:06:50that we can sort of take on the conventional masonry um
00:06:53construction sector and substitute a significant share of
00:06:57what nowadays built with carbon-intensive and also
00:07:00materials that are not recyclable at the end of the life
00:07:03cycle with the earthbox that we are producing which are 100%
00:07:07made from waste materials uh very low in terms of co2
00:07:10emissions during the production. and at the end of the life cycle, most
00:07:14importantly, we can recycle them to new earth building products without
00:07:18any loss of value or without having to add any new
00:07:21materials.
00:07:24this is Sinansen, a researcher at the natural building lab at Berlin's technical
00:07:28university. she helped design Germany's first building to use
00:07:32recycled wood in load bearing capacity, but using
00:07:38the picture. every part of construction is always
00:07:41needing and you always extract new materials, you always invest more
00:07:45energy, you and we invest um resources
00:07:48and and you also cause emissions, and that's something I think we have
00:07:51to, we have to keep them back our heads, that even the most
00:07:55sustainable construction
00:07:58um is still causing all these things and um
00:08:02the actual most sustainable kind of construction is not constructing at
00:08:05all. scena's project will be a minerals museum for her
00:08:08university, she hopes the use of secondh wood will spare property to...
00:08:13to follow suit,
00:08:16i think what also good about circular economy is that it's
00:08:20it's is supporting - maybe the development of business
00:08:23models that are focusing more on refurbishment and more on
00:08:27transformation instead of new construction and
00:08:30demolition, so this may be also then an opportunity to
00:08:33drive um industries and
00:08:36and economies into more sustainable
00:08:40direction.
00:08:42Preventing demolition, repurposing buildings and using eco-friendly
00:08:45materials are hallmarks of circular
00:08:47construction.
00:08:50At scale, the practices could help sustainably house the
00:08:532.5 billion more people. The UN says will live in
00:08:57urban areas by
00:08:582050.
00:09:02But what about air quality in those cities? There are different
00:09:08them, surprisingly
00:09:09simple.
00:09:13Ja Chen from the Technical University of Munich and our
00:09:19the city's parks. Over the course of several months,
00:09:23they've been taking measurements here and elsewhere in Munich to
00:09:27verify their calculations.
00:09:29They showed that urban green spaces can absorb
00:09:32surprisingly large amounts of
00:09:34carbon.
00:09:38We found that urban vegetation in Munich offsets about.
00:09:422% of the annual human induced
00:09:45carbon emissions produced by the city's
00:09:47inhabitants, however, during some summer
00:09:51hours, natural vegetation can completely compensate for the
00:09:55emissions produced by human activities or absorb
00:09:58even more than that.
00:10:02but not all vegetation is equally effective,
00:10:05using this device, the researchers can, for instance, measure
00:10:09photosynthesis activity in grass. In other
00:10:12words, how much CO2 it absorbs? At the same
00:10:16time, they look at how much of the greenhouse gas is released
00:10:19back into the atmosphere through soil
00:10:22respiration. They're finding. show that over the
00:10:25course of year, lawns are actually a net source of
00:10:29CO2, contributing more emissions than they
00:10:32remove. trees are more effective carbon
00:10:36stores, while shrubs and bushes can also offset at
00:10:39least part of a city's
00:10:40emissions.
00:10:44we also developed a model to determine the flow of
00:10:47CO2, in other words, where carbon
00:10:50dioxide is absorbed and where it's emitted. you can
00:10:53think of it as map. showing exactly where in the city
00:10:57CO2 is being taken up and where it's being released. recommend
00:11:05more
00:11:10greenery in cities, especially more trees, because they
00:11:14also offer other benefits beyond carbon
00:11:16storage.
00:11:23we've shown that urban vegetation can absorb CO2.
00:11:26but trees can also cool cities down, help clean
00:11:29the air, and they have positive psychological
00:11:33effects. my children are always happier when
00:11:36they're outside in green
00:11:38spaces.
00:11:42her recommendation, city planners should pay more
00:11:46attention to urban greenery. it improves
00:11:49the quality of life for residents
00:11:53city's carbon balance.
00:11:58Barcelona showed it can work,
00:12:01Paris, Vienna,
00:12:04London and Ghent in Belgium followed
00:12:07suit. Now it's the German city of Nuremberg's turn to
00:12:10experiment with Super blocks when standard city
00:12:14blocks are grouped into zones that emphasize car-free public
00:12:17spaces.
00:12:20A jungle gym going up a playground in
00:12:23Nuremberg. Feda is member of an
00:12:26initiative to reshape the Gustenhoff neighborhood.
00:12:30The city supports the project, and in the summer of
00:12:332025, introduced street closures and
00:12:36pedestrian zones. Since then, the challenge has been to
00:12:40bring the newly created public spaces to
00:12:42life. The goal is to significantly
00:12:46improve quality of life for everyone in the neighborhood by
00:12:50keeping out through traffic and creating little oases
00:12:54for the people. Oasen gibt's für für alle menschen
00:12:57hier
00:13:03would
00:13:06have been impossible. Now people meet up here to chat.
00:17:37so who should take the initiative? residents or local
00:17:40authorities? experts say there's no one size fits all
00:17:44solution.
00:17:47on the one hand, it strengthens legitimacy when residents
00:17:50themselves demand these kinds of
00:17:52changes. on the other, it can mean that
00:17:56neighborhoods that have lots of politically articulate and active
00:18:00residentschen
00:18:06sozusagen.
00:18:46Projects like this create room for playing, outdoor dining,
00:18:50trees and for all the cultural and social activities people
00:18:53need. In September
00:18:572026, the decision will be taken on whether the
00:19:00temporary changes will be made permanent. Its proponents
00:19:04will do all they can to ensure this new public space.
00:19:07will in the future remain filled with life rather than cars
00:19:11and
00:19:15how are landscapes changing outside cities? Germany's
00:19:18countryside is no longer devoted just to farms,
00:19:22renewable energy is now harvested there as well, and
00:19:26that can be controversial.
00:19:29Around 60 kilometers east of Berlin, you'll find the Merka
00:19:33Schweiz, idilic nature park that's a popular recreational
00:19:36destination. for the city's residents, the question
00:19:40is, for how much longer renewable
00:19:43energy developers are moving aggressively into the
00:19:45region. if investor plans move
00:19:48forward, large solar farms will be built along the park's
00:19:52edges. opposition has been growing in the nearby town
00:19:56of Munchbag where an initiative has stepped up its
00:19:59campaign against the project.
00:20:03we need the energy transition and we need to protect the climate, but we
00:20:06shouldn't be doing it. everywhere and regardless of the cost,
00:20:10some gems like nature parks need to be preserved,
00:20:14kept free of large technical installations in the
00:20:16landscape.
00:20:19though understanding the concerns, the local chapter of nature
00:20:22non-profit warns that pitting climate protection against
00:20:26nature conservation is a bad
00:20:28idea. janzama is also
00:20:32active in the initiative. his
00:20:34farm borders one of the sites being considered for solar
00:20:38park,
00:20:41he's harvesting kale today, together with his
00:20:45partner, zama grows produce for the Berlin
00:20:48market, the farm was... their dream, and
00:20:52one they had long pursued. The couple
00:20:54moved to Munchag 17 years ago to be as close as
00:20:58possible to nature. They use horses instead of
00:21:01tractors, that keeps the soil from compacting,
00:21:05allowing it to retain more water.
00:21:09Organic farming on 70 hectares, sustainable
00:21:12practices that work, but plans for
00:21:16solar parks could now change things.
00:21:50hard for me as a citizen to look at those vested interests and
00:21:53say, yeah, you have a great idea, no, I don't
00:21:57think it's a great idea,
00:22:01the farmer fears for his livelihood, we
00:22:04tried to speak with the investors about his accusations, but
00:22:08received no response. the
00:22:10utility company initially agreed to an interview, but
00:22:14later told us it had withdrawn from the
00:22:16project.
00:22:19the playing field is anything but level, according to
00:22:23him, the investors offered his landlord 20 to 30
00:22:26times more than he could ever afford as a farmer. from
00:22:32the nature park itself is it
00:22:34stake.
00:22:37when farmland is repurposed from food production to electricity
00:22:41generation, farmers stop being partners. young people
00:22:45will no longer have the opportunity to cultivate this land in a meaningful
00:22:48way,
00:23:20made those alternatives very lucrative,
00:23:24they can lease lands not to farmers, but to energy
00:23:27investors.
00:23:36says the issue goes beyond just changes to the landscape, it's also about the energy transition creating winners and
00:23:40losers.
00:23:43example, if someone leases land for a wind
00:23:46turbine, they can earn around 5000 to 7000.
00:24:20as it is, why he asks, should solar arrays be
00:24:24built in a protected area?
00:24:27the beauty of solar power is that the panels don't care where they
00:24:30are, they just need to face the sun. that means
00:24:34renewable electricity can be generated on sealed
00:24:37surfaces, rooftops and parking lots.
00:24:40there they don't cause problems, on the
00:24:42contrary.
00:24:44officials in Munchbag say they're carefully reviewing all the
00:24:48arguments and the decision has yet to be
00:24:51taken, conservationist
00:24:55has seen similar disputes elsewhere, and how they
00:24:58end.
00:25:01in Brandenburg, there's a law stating that municipalities have
00:25:05to receive financial compensation when solar
00:25:08farms or wind turbines are built, and
00:25:12since public budgets are tight almost everywhere, there's
00:25:15a strong incentive for local authorities to make land
00:25:18available for.
00:26:02specifically talking about land owned by farmers to strengthen their
00:26:05economic stability, and that
00:26:08can include investing in renewable energy,
00:26:12investition in erneuerbare
00:26:14energien.
00:26:18for now, has to just wait and see what the authorities decide. land ownership
00:26:21plays a crucial role in the issue, both for him
00:26:25and for Germany's energy
00:26:26transition.
00:26:32Speaking of renewable energy, here's a great
00:26:35question from our viewer Bernard in
00:26:38Ghana.
00:26:41How do solar panels
00:26:43work?
00:26:46Solar panels, also called solar modules are made up of
00:26:50number of solar cells linked together. About
00:26:5395% of all solar cells are currently made from
00:26:56silicon obtained from quartz sand. It's
00:27:00melted and cleaned in a complex process. the
00:27:03resulting silicon is cut into thin slices called
00:27:06wafers. to make the cell electrically conductive, the
00:27:10silicon is intentionally contaminated or
00:27:12doped, some wafers with
00:27:15boron, others with
00:27:17phosphorus.
00:27:20when the wafers doped with boron and phosphorus are placed
00:27:23together, excess electrons migrate from the
00:27:26phosphorus silicone layer into the boron silicone layer.
00:27:30this leads to a surplus of electrons at the bottom and a shortage of them at
00:27:34the top. Similar to battery, solar cells have
00:27:37positive and negative poles. When
00:27:41sunlight strikes the cell, electrons are released in the
00:27:44silicon boron layer. Since they're negatively charged, they're
00:27:47drawn to the positive pole. Solar cells
00:27:50also have metallic conductors at their top and bottom. The
00:27:54free electrons travel along these tracks, generating an electrical
00:27:58current as long as the sun is shining.
00:28:06When more light strikes the surface, more power is
00:28:09generated. To increase yield, solar modules are
00:28:12usually connected in series and linked up to form larger
00:28:16systems. But even small modules can
00:28:19generate enough electricity for everyday needs, more
00:28:23than 11% of all renewable energy already
00:28:26comes from solar energy, increasing trend, it's
00:28:30a form of energy with almost infinite.
00:28:32potential:
00:28:37what are stars made of? how many
00:28:40colors can butterflies see? could
00:28:43robots have babies one day? do you have
00:28:46science question? then send it to us as a video, text
00:28:50or voice message. if
00:28:53we answer it in the show, then we'll send you a little gift as a thank you,
00:28:57so just
00:28:57ask.
00:29:17Aspirin Protect 100 mg is recommended for people with
00:29:21high and very high risk of cardiovascular diseases,
00:29:25to reduce the risk of acute heart stroke. Before
00:29:28use, carefully read the drug leaflet for information on indications, precautions, adverse drug reactions.
00:29:34Bayer, Staropramen rewards
00:29:36you, sign up and
00:29:38play.
00:29:44Today we are talking about problems that are becoming more frequent,
00:29:48fatigue, lack of energy, problems with the heart and a decrease
00:29:51in fitness. With us is Dr. Jasmina Ćorović
00:29:55Kuburović. Good day, doctor. Good day and thank you for
00:29:58the invitation. People often really think that fatigue is normal.
00:30:02But very often behind that is a lack of energy at
00:30:05the cellular level and precisely there coenzyme
00:30:09Q10 plays an important role. Doctor, what is actually Q10 and why is it so
00:30:13important? Coenzyme Q10 is a substance that participates in the creation
00:30:17of energy in our cells. BMT
00:30:20Coenzyme Q10 is supported by vitamins and antioxidants
00:30:24that protect cells from damage additionally, of course,
00:30:27contribute to the vitality of the body, and what is especially
00:30:30important about this preparation is that BMT coenzyme
00:30:34Q10 is microencapsulated, which
00:30:37means it is protected and much better absorbed by the body. Precisely
00:30:41this technology enables Coenzyme Q10 to have a stronger and
00:30:44more stable effect in creating energy at that cellular
00:30:48level, especially in the heart which consumes the most
00:30:51energy. To whom is Dr. BMTQ10 especially
00:30:54recommended? It is recommended for people who experience fatigue
00:30:57and exhaustion, those who have a deficiency.