senior to in this country, like to keep taking on the powers that be they risk everything, john dunbar, meet activists, journalists, and politicians. living in the exile. they were tortured. they lived for their mission. what drives them? people need to know what is happening. there were series guardians of truth watch now on youtube, d. w documentary soon in the northern hemisphere. every one is longing for spring, but hasn't it arrived already? for years many plans have flowered earlier and earlier. this has consequences for insects that need the flowers and 4 birds that feed on these insects is our ecosystem going off the tracks.

hello and welcome to to morrow to day the science program on d. w. ah, the weather around the world no longer follows the calendar. the consequences of global warming are obvious. but what can be done to stop climate change? many are counting on green hydrogen. yet even germany cannot produce enough itself . that is why it wants to import it and is counting on international partnerships. for example, with angola, low adam and undergo lana lynn hair, a hydro electric power plant generates green electricity. the cohens, a river provides the water. it's the largest river in angola, whether it's the rainy or dry season, according to the operators that always carries enough water to produce enough electricity. the capacity is enormous, but not even half as you. little girl,

that you mark up. i see that the loca has a capacity of 2070 megawatt lentil. the year on average, was we produced between $7800.00 megawatts a day at st bush. oh, so you can see that at the moment bliss, we are not using our full potential image at there. but this yellow mean up out of 6 main turbines, a maximum of 3, a currently running meaning unused hydropower. germany should benefit from this surplus. electricity could be exported to germany in the form of green hydrogen. the 1st german angola and hydrogen symposium took place in angola in may. 2022. talk a little bit about or girls comes from for the symposium is starting point for the symposiums is the understanding that a successful energy transition would not be possible without green hydrogen on the top of it. i saw in the fact that germany will be dependent on in ports of green hydrogen in the long term line built of important fun gluten versus shutoff. just

over a month later, a memorandum of understanding was signed and berlin. the plan, together with san angle and girl estate, oil producer, the 2 german companies, golf and conjunct her want to bring green hydrogen to germany. your harbor mine. we have identified a joint project here we are talking about an electrolysis capacity of $400.00 megawatts, right in the port area of barrow done the hang of beet. bottled under angola is one of africa's largest oil producers that stay turns on. angle is increasingly investing in green technologies. the project with germany office on angle, an opportunity to further strengthen the company's green division, which but arm was going off in now that we hope will then at the end of this process, there will be only winners will confirm in the following sense, f, i always will spend probably that diversification of them and sustainability of san

angles portfolio that meant if it, the, for an effective position was an angle in the energy transition. but almost sound, the promotion of technological and innovative research were foul and a transfer of knowledge transferred or greasy. men from germany's point of view and goal is advantages as a partner and not only its great potential in terms of solar, wind and hydropower. but also the fact that the country knows its way around the energy market. in addition, in this specific case, part of the infrastructure already exists. the low cut arm is located in the north west of the country. from hair, there's already an existing over landline that transports electricity to the coast to the town of barrett or donder. san angle is building a port hare originally for the transport of liquid derivatives, but now an area for green energy projects is being added. the location has some advantages for german companies. gaffes managing director says that sooners,

the nice thing is at the port. we already have drinking water supply there. so because we also need water for electrolysis, which there's a big river nearby, that's also a huge advantage. so we don't have to do any desalination of sea water like in other areas. we have the complete export infrastructure already there, but among other things, and electrolysis plant is to be built here in the port. hydrogen will then be produced using electricity from low occur and water from the nearby river. the electricity is used to spit the water molecules h 20 into hydrogen, h 2 and oxygen o 2. in another step, nitrogen and 2 is added creating ammonia and h. 3. ammonia becomes liquid under high pressure. the conversion to ammonia makes sense because it's easier to transport than hydrogen. the liquid ammonia will then be loaded onto ships here and delivered to

germany. the 1st of that means there will then be a large ship landing on the atlantic ocean coast a bit north of luanda one. so this would then be loaded with probably $78085.00 as in tons of ammonia from us 4 times a year. so we expect a total production of $280000.00 tons of ammonia annually. it wasn't on that one yet. in germany, the ammonia can then be converted back into hydrogen and used for energy production . angola could thus be the 1st country in the world to supply germany with green hydrogen. if all goes well, green energy from luca could begin its journey to germany and early 2025. according to current plans, that will be the equivalent of 1450000 megawatt hours per year. that would be enough to supply around $450000.00 households with electricity. korea

might, as most of the snow seem to fall where it's not need it and not in places that needed for winter sports like the alps where this february, it was 3 degrees warmer than usual. globally, climate change is playing havoc on the weather and we have to get used to more extreme weather events like droughts and major heat waves. not to mention storms and heavy rain, we humans have to adapt. and so do all other species in springtime has arrived in germany, meaning more time to bask in that lovely sunshine. nature emerges from hibernation and we can delight and the resulting rich pageant of color. and isn't it great when you are mornings, get off to such a warm and sunny start the phase and bust him? i'm not so sure can. it's not just us who spring starts early for plants and

animals to we are in in fooling, which could mean them getting out of sync with each other. biologist, christina, women and her team are looking at the impact of climate change on nature. when this up when species miss each other as it were, and as a risk of some actually dying out all stem. the field of phonology involves the study of recurrent natural events in relation to seasonal changes. the scene a logical calendar divides the year into not 4 but 10 seasons. each of them beginning with a biological state of a specific plant. the calendar starts with hazelnut blossoms and ends with a large tree, shedding their needles. but there's been a shift in the fina logical seasons, as is evident from a comparison of data from to day and a period between 19611991 instead of on march. 3rd spring now dawns more than 2 weeks earlier on february 14,

which at the same time makes winter shorter. and that shift, as a consequence of climate change, apple trees starting to blossom. another typical indicator of spring has moved forward in germany by 10 days over the last half century. and there have been similar changes in the animal world too. short distance, migratory birds in those at hibernate, such as tips. now started reproducing about 2 weeks earlier. and at this point, potential breeding side rivals, long distance migrants like pied fly catchers and red starts have yet to return from africa. the timing of the migration is genetically programmed and based on the length of days, there are winners and losers. the earlier arrival of spring is called season creep and has an effect on reproductive cycle feeding relationships and competitive systems. christine roman is also a senior member of finance. a project comparing plans and botanical gardens in different parts of the world, stands transcript and decline of imagine you have

a small plant under large a plant plant because you don't, they're competing for food and water of course. but above all, for sunlight, column, least one, been unequal, suffolk, sick of normally the small appeal benefits from its life cycle being quicker kind figure flung in for, but that's advantage is gone. if the larger plant sprouts earlier was 5 big thing, plant canyon labels to close up. steve. less exposure to light is bad news for plans. ecosystems are sensitive nature and interactions between plants and animals are finally tuned in time to fairs. the life cycles are like interlocking gears. when one partner engaging too late or too soon control spanner in the works. the advent of spring seas flowering plants, pollinated by insects and then blossoming. insects become more active as temperatures rise. plants on the other hand, take the cues to sprout from other signals, such as soil humidity and longer days. so sometimes,

insects might not be out and about why the plants are in blossom. and as they miss each other, the former are denied food. and the latter, there pollinators, the phenomenon has yet to be thoroughly researched. but what is already clear is that extreme weather conditions in the wake of climate change increase. the likelihood of a plant pollinate or mismatch among the species at acute risk or a specialist like the scarce large blue butterfly. in order to produce young, it's dependent on its sol hose plan, the great burnett blossoming at the same time, it lays its eggs. the butterfly is one of around a 1000000 species under threat from climate change. one and 3 species of plant and animal. and those rely on their own nature are especially vulnerable yard, as common as a general rule. the more specialized the species as the bigger problems it will have with changing environmental conditions single. and the 1st to die out are the

specialists or species that are highly adapted to particular conditions. but they will be followed by the more flexible generalists and the disappearance of species means that the ecosystem stock to break down. they come under increasing pressure and face a growing struggle to recover from extreme weather events, and that in turn few as the extinction of further species. their demise also means the loss of functions that are crucial for humans. men, if the crops would grow, eat, or fee to lie, stock need animals to help generate seeds and fruits venue. the insect insects are not present and sufficient numbers on it will obviously have an impact on plants, reproductive success, and on fruit vacation, which will be visible in harvest, yields, under our name at target. while earlier springs at 1st sight seemed like something to welcome, they mean excess of stress for nature and for a lot of ecosystems, a major threat. so the honest is on us to put the brakes on climate change and

preserve them precious diversity of flora and fauna. oh, it's an old tradition in many countries. when spring arrives, the house is thoroughly marked out in what is usually simply called spring cleaning . but that household dust is not only a nuisance, it can also be bad for your health. a whole range of environmental toxins can be hidden in it. a good reason to take a closer look at those tiny particles. ah, no self respecting home would be complete without them, and they typically hang out in neglected corners nooks and crannies. dust bunnies. oh, how stuff looks awful, burned is annoyingly persistent. although

it appears gray, it's actually a rather colorful mixture. about 80 percent of house dust is made up of tiny textile fibers from clothing. so 1st and carpets then there are flakes of dead skin shed by both ourselves and our pants and ha again of human and animal origin. minuscule parts of pants. frank, my of insect, ah, and fine grains of sand carried in from the street on our shoes. and that's just what we can actually see. dust also contains invisible particulate matter, some of which is created when we toast or fry food. or even if we blow out a candle after a romantic dinner for 2, but the main dos slang as are ourselves. even when we sit still, we release around

a $100000.00 dust particles per minute. the slightest movement can release about $1000000.00 particles and more significant movements can release as much as $10000000.00 particles per minute. the dust we find in our bedrooms is a bit different. it's mainly made up of shadow skin, which turns our pillows and mattresses into a special bio type for a tiny parasite. the dust might doth mites feed exclusively on human skin flakes. a teaspoonful of bedroom dust contains about a 1000 mites and nearly a quarter of a 1000000 of their fecal droppings. we breathe in these droppings while we sleep, and it's these that trigger house dust allergies. o.

every liter of air in a typical german home contains up to 50000000 floating dust particles. when the air is warm, they rise. when it's cool, they fall down again. which is why so much dust gathers on the top of furniture. but is not just dust particles that rise in the wall. man, there are also substance as emitted from our flaws, furniture and wallpaper. these vapor particles invisible to the human eye get caught up in larger dust particles. germany's federal environment agency has looked into what exactly accumulates in the just and it's not good news, as environmental toxicologist marie kirk. hello sir. garry explains miguel doctrines if you live many pollutants get caught in the dust for keeping them in

your indoor space and an armored order in the rob looked how these might be past the sizes. for example, i, many of which are toxic for reproductive organs from schofield and just kind of then there are also fear sides or flame retardant. or other substances such as d, d, t's or piece, la bees, which are hardly degradable. we up our barzon. look on human, these can damage or immune systems and effect various organs, winter steam, some of the substance as respected of cause and cancer. so disturbing our fat metabolism or promoting obesity to fix it is a very wide spectrum. does forget the spectrum there pipe or so it's time to rethink our perhaps overly casual attitude to dust. what the scientists suggest, silva martin is going to cleaning is very important and that means mopping floors and also wet vacuuming. this is the mature dish. that's the best and most reliable way to remove dust naturally and airing is important to you. this ventilation

improves indoor air quality and gets rid of some of the police tongue tied a shot of him. i've asked harden this method, on the other hand is rather less effective, at least when it comes to pollutants. peter didn't convince you, stops, organ and fans. he didn't stop as many people think that back seeming removed stuffs from the home. props already. but in fact, most machines just disperse it more. so the fee, so it's important to dust using a damp cloth and walk down flaws. stop fishing would offer you fissions against which to your mass. numb microfiber cloths can be effective here, in addition to attracting dust particles almost magically. that tiny fibers also hold on to them particularly well. plus, you don't need a cleaning agent, so it's good bye to those fluffy little dust bunnies. planted dust particles, don't make it all the way to the lungs. ultra fine particles on the other hand can . more than 100000 of these tiny particles can float in one cubic centimeter of air

on busy roads. it's one reason why diesel engines have gotten a bad reputation. what many people don't know is that heating with wood is even worse when it comes to fine particulate matter. heating with wood is becoming increasingly, carmen would ovens are inexpensive, but they have an unwanted side effect as people cozy up to the oven. inside of their rooms, the smoke can be harmful to health outside. according to you climate packed ambassador tanya baron's law. first, what song is the appellation is the largest environmental risk factor for premature death towards failure. in opec, neuro peons die an average of 2 years earlier because the appellation of postmodern, it seems to me it would be a simple step to hope we're burning. and i and reduce particulate matter pollution on stomach, find,

stop balancing just how much pollution to wood evans cause to answer that we visited the cause rural institute of technology. akeem did law is researching fine particulate matter pollution and busy urban streets by comparing them with rural residential areas. littler installed sensors here in the village of students a beauty. the results are surprising. the rural air sometimes has more fine particulate pollution than can be detected at the neck latoya. in downtown stuttgart, germany is most polluted street. in causeway, of course, phone calls the air and calls her as well as the new students in boucher development is actually good until the evening more we talk so the next tour shows twice as much pollution at mid day the novel. but the situation changes when the would ovens i live in the evening and follow up with the air is then more polluted with particulates that can make it into the lungs than it stood cuts,

neck auto form. we're talking about a factor of 3 over an hour. middle particulars results are confirmed by numbers from the german federal environment agency. the approximately 11000000 wood burning stove in germany. create twice as many fine particles as the emissions of all the cars and germany streets. the pollution gets even worse because the particulates are created, where every one lives must bookish, how to form one delicious, what's really perplexing now is that these are cause, understandably lead to diesel gate because fraud was involved off to hot with wood stoves, fields, where we have lots of harmful emissions in residential areas ha, does no discussion with a whole kiner discourse. sure. the need for this discussion can be seen in a variety of areas. even at the cause we're institute of technology. research has

looked at the effects of wood smoke on human log cells for a few years. a new technique is much more realistic than the traditional method of filtering out particles, and then dissolving them and liquid and adding them to a cell culture. now, as in the lung, lung cells are aspirated directly in the machine with send outward smoke. just if you similar to and i know it simulates a deeper part of our long suit in the lower bronchial albion area la home. then when you inhale, you've already moved past the upper part of the breathing pathway from this atom asi at the time caused particles. who are it had been removed, discounts and the aerosol becomes warm and moist. good. what does alice fit it? and we're not foolish. our up if the fine particulates have passed the upper breathing pathway, the remaining toxins reached the most sensitive part of the body. deep in the lungs, gases in ultra fine particulate that are inhaled,

are much more potent than for example, foodborne talks in. the technique shows that would smoke like until the diesel emissions harms the dna of our long cells. their muscle analog here, every unit like we view other environmental particles is named and it's clear we have an acute quicker fat vehicle. and there are different lung diseases we focus on. for the most extreme is lung ancillary anger, faces, and lung cancer is caused by compounds the damage, the dna, and the, the. and that's exactly what we just showed how saving a big move as far as for, for him to either get $5000.00 physicists and chemist at the university of ross, tech are looking at what makes woods ok so toxic. they're testing the outside of their institute since it's near the baltic sea, very clean air, often sweeps through but when the, when reverses, they regularly find wood oven emissions from residential areas. a new aerosol time

a flight mass spectrometer quickly measures particles and a chemical makeup. the wood smoke is a poisonous cocktail of metals, so and oxidized organic compounds. the high concentrations of poly cyclic aromatic hydrocarbons are especially alarming. like benzo pirates, which are known for their risk of lung cancer in cigarette smoke. what smoke is responsible for 90 percent of the poly cyclic aromatic hydrocarbons in germany too. i love them probably. but we have a problem that needs to be solved quickly. goes fine. if we're not going to prohibit the stove, that we need flu, gas cleaning, walk, and we won't immediately start the most drastic measures. but we have to gradually improve and 1st get 90 percent in and then 95 percent and then even better filtering rates. but you have to actually start with and that can only be done by

law was with solution for cleaning. the emissions already exist. x of frederick and his team developed of particle filtration system for environmental action, germany that reduces the amount of particles and smoke by 90 percent fireplaces are already available with an environmental label. he would like to expand the system and use a catalyst to cut emissions by 99 percent. although the german government knows about frederick system, ineffective solutions are preferred. chimneys are to be built higher so that smoke is distributed better in the after the. let's see, you've got what the government recently suggested dilutes the emissions and it's not a solution to you. we already did that in the seventy's odd to me. it's scandalous . it's not a solution. we need to reduce emissions. i mean, don't get mature air quality in residential areas has been neglected for years

because politicians have concentrated on vehicle traffic. plans for the air quality and residential areas are now needed more than ever that. so for this edition of tomorrow today, thanks for joining us. we'll see you again next time until then. stay curious. bye bye with ah ah with

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out and proud and excited. look back arts 2190 minutes on d. w. like when you work as an architect, i go all in or not at all. women in architecture. why are they so invisible to the larger public? we decided to ask them, what is the poetry, the secret of the house about their struggles and dreams for bank ability is huge. they have so much to lose shattering the glass ceiling women in architecture. this has to be really, really good. starts april 20th on d w. imagine how many portions of lunch are 3rd out in the world. climate change if you think off the story, this is my plan,

the way from just one week. how much was can really get we still have time to go. i'm going all with a ah ah ah

ah ah, this is dw news live from berlin, civil disruption spreads in israel as opposition to contentious judicial reforms, gross demonstrations and a general strike increase the pressure on benjamin netanyahu is far right. got much coalition party members. now say.