the people who survived the catastrophe remember. and they share private students with us never been seen disappear. nobody starts april 28th on. hello and welcome to another edition of africa i am sandra 3 nobody coming to you from kampala here in uganda well it has we nearly 5 years since this show focusing on environmental issues foster went on air and we're looking forward to reporting on more and more amazing projects and great ideas for protecting and improving the

walled we all live in as well as drawing attention to the problems that i gently need solving well here are some of the topics coming up on the program. because the new transportation diploma gene made in africa an example from kenya. popcorn and why it's not just for eating as scientists in the germany will demonstrate its. uncertain nature of course of a ship in south africa sparing young people to protect white life. but post a whip heads to namibia more than 20 percent of the country is on the course of asian management it is home to incredible variety over a rare and in danger of species of animal including the cheetahs the superfast cards need a very specific kind of environment to breed can't unmaintained be a boarded temperature when it gets a very court. the trouble is that they often leave india rural communities and

cause problems for people and their livestock now researchers hope for a way for farmers to drastically of course reduce their livestock losses without killing the beautiful big cards. a rare sight. in namibia. the country has the largest free range in population of t.t.'s in the world but according to recent research still your numbers are little . in the population is threatened because it doesn't occur inside of national parks but on commercially used farmland there's obviously needs to conflict as the truth ok finally prey on livestock of the farms. teeters population numbers across africa have dropped to less than $7000.00 worldwide as the a habitat is lost to farm land and house and cost structure portion and illegal

trading caps pause a federal challenge and because to test a tough life dog the also get killed by farmers. scientists from germany is like nets institute have found a way to reduce that conflict to spent more than a decade studying cheetahs in namibia part of their study involves putting radio collars on the animals and monitor indian movements the team it's not is that the cheetahs always return to 7 areas of practice passed on from one generation to the next they visit these territories and mark read in the territory so we call this centers of the territories not a marquee trees are called a communication hops because territorial males they used these trees and also the olders into region around so these territories very stable they are always

there and even if the territory hold us does appear die then the new territory holders are all day exactly the same place this allows the scientists to identify areas where cheetahs congregate the den that fires the farmers not to put a live stock in those places it's about 10 percent of the area that is highly dangerous because. concentrations of those is very high and about 90 percent is much less risky harmless and that. the farm is that i've moved cattle out of harm's way now that was far fewer i knew most of the big cuts. this simple adjustment reduced the livestock losses by more than 80 percent and that's off the conflict for the farmers and for the truth is in many cases.

reducing the conflict between humans and money mouse means more survive and that other benefits to these powerful pre-dates has helped keep the populations of the most under control thus preserve in a mental game india calendrical balance off. what incredible creatures and what a great idea to promote a peaceful coexistence between the well and the most and the humans on this report is about a really interesting bench in south africa it aims to help communities live alongside animals in the wild as well as offer professional opportunities it is called the truck of a company and as the name suggests it trains disadvantaged rural people in the traditional skills of way of life trucking. as it is sunny and. a looking for this special friends in the dense bushland of the level of north of

johannesburg. a group of rhinos is hidden somewhere here. this is different but 2 pens. spurs on the ground twisted twigs and droppings lead them to the animals. their professional track. our ancestors were doing this tracking for a living for meat for their hunting they do it they did they they started it we are just carrying on when they are but in a different way because then they were doing it for food we we have do we need for that for the well. not to. kill but to protect. track is play a critical role in keeping the animals in the reserves safe. south africa has

nearly 80 percent of the world's rhino population and has been hardest hit by poaching but since 2014 thanks to strict security measures reserves have half dry and killings from 1200 animals to about 600 in 29000 to keep his animals safe conservation manager had man minute does not only rely on devices. but they really do a lot of monitoring work especially. on conservation important species like. some of the big ones on. various forms of technology to try and track these animals and keep tabs on these animals but technology fell on you from time to time. and then we have to revert back to the basic. tracking skills. this m r reserve is part of the great career a semi desert region with characteristic wildlife vegetation soil and climate

conditions the reserve is also one of 3 training grounds for a very unusual tracker cademy today is examination day. has to show his instructors he can track an antelope in the semi arrid career. it's a different one because even. in front of you to be. a good track reads the environment and develops an intuitive feeling for the ways and habits of animals droppings are just one of many signs they read. just finally label hunger to finds his target hidden in the bushes. grew up in the. long. hours. in the most annoying. just more or less the ones who and then you know what i did biggest in the moniker i know everything the inside. was the motivation

therefore i want to go to to learn about guns in the money and everything the academy is an ngo that offers free training to $24.00 young rural people from various african countries each year realizing that only a few traditional trackers remained in southern africa onyx when you 1st started this school 10 years ago with the help of a private sponsor meanwhile the academy gets thousands of applications pay here. we are training trackers to do for the benefit of conservation and for the benefit of an ancient culture and to improve the lives of the students that come through our program think it's a new and it is proving successful 94 percent of all graduates are employed and the trackers are needed many iconic animals like crocodiles leopards and cheetahs remain critically endangered. after a long day of working and learning in the felt the pupils returned to the boarding house was after many of them heard of the tracker cademy through people from their

villages who went through the program and subsequently found work in the reserves they hope that they too will one day be a role model for their peers back home. well the one who would be on the vonage over a boom in solar energy in 2018 accounted for 2 percent of one white in the christie use each and its share is growing fast experts say solar and wind are said to be the most sustainable sources of renewable energy in the solomon hemisphere the international renewable energy agency says that over the past because it costs for solar have dropped by 80 percent let us now go visit an energy provider but he's building the biggest solar power in germany. these panels are pretty easy to install but there are thousands of them still to go. in the countryside

near berlin germany's biggest solar park is taking shape. half a 1000000 modules built on metal frame. 100 mounting posts. 250 kilometers of cable. 150 fischer's working on behalf of one of germany's biggest energy companies. we definitely have the potential to complete projects of this scale but rather than size it's the viability of the project that counts for you. this solar park is the size of $225.00 soccer pitches facilities in europe tend to be smaller because they compete with agriculture for the land but solar parts alone aren't enough here in germany there are 19000000 apartment buildings and houses

that's a lot of roof space. and an ideal place for solar panels. i mean tire industry has been built around installing. now adays the systems are very affordable and economical to run since you basically don't have any maintenance costs. have become so affordable to install that they quickly pay for themselves what is your what. mux of our own the house with their rooftops solar system in many cases the system actually produces more energy than a household needs. as one of the things that makes it financially worthwhile is that the cost of heating your house or heating your water are pretty low. the equipment pay for itself in just

a few years. after that the electricity produced is essentially free. spots as energy needs do exceed what he produces though that is because his family have 2 electric cars that need to be recharged. solar energy is expected to see significant growth in germany. by the time the last coal fired power station is switched off and 2038 there would have to be 5 times as many rooftop solar systems on parks as there are now to cover energy needs. solar energy would then account for a quarter of the country's power i would push. back to germany because solar park

project 10 years ago the operating company was one of the biggest nuclear power producers in the country. they still run several coal fired plants but that will soon be a thing of the past. these new energy sources will have to fill the gap they've become a central pillar in our portfolio. 2012 we've seen growth. new and renewable segments including wind both offshore and onshore as well as solar. and these technologies will account for about half of our output by 2025 i need. this solar panels just keep on coming day in and day as. talk so sustainable model needs to focus on the big cities on ways to reduce

traffic congestion and pollution and of course make life better on you give me basis on protecting you and what took you off because well this is not to condemn the optical you know they since it was developed you take. these handcuffs off in a way several 100 kilos and here in kenya's capital nairobi exhausted noise are another problem for day laborers. kenneth plant ties invention could make life easier it's an electric powered car that goes faster and can carry more you build in a system that. the car to get to say will be charged where you wish to kill it and that's it if you're looking at more people below that is equal to changes so even

if you doesn't use it doesn't tell you well we'll see if this decrease in addition to sparing the environment a new vehicle can move it up to 7 kilometers an hour without using much man town its ability to power itself is kinetic energy at its best and a big help for users. imagine us this when we are by you our power and everything is pathetic wired then viral meant that there is thought in. cream to achieve this one time i developed electric rickshaw unlike noisy diesel truck trucks this version rolls through nairobi almost silently and without emissions it also carries 5 instead of 3 people you want to diversify to. utilize what they cannot on the minute and be needed to be in buses was. one of the more beautiful company. on top of that it's produced

a string of leaks and components of electric vehicles come from the region. and how about you if you're also doing your bit tell us about it visit our website oh send us a tweet. hash tag doing your best. we share your stories. a lot of the things we use in our day to day life i made a point of wealthy and you will you be was modelled on this but for the entire exhaust fumes from the cars and plastic frost you feel since opining high none of those are just examples he's a terrible problem scientists are looking for alternatives and sometimes come up with great ideas. there is a professor at mit was doing. much of the things we call.

this building is getting added thermal insulation and damp roofing from polystyrene for every year over 10000000 tons of the synthetic material are turned into everything from facade cladding she disposable bowls and cups and packaging. but one extremely useful the downside of the material is that it is essentially non-biodegradable and takes centuries to break down. and as it does it releases miniscule particles into the ground water supplies. this man has a plan to replace the plastic pollutant since 2008. poor and his team have been looking into an environmentally friendly alternative popcorn. similar to polystyrene phone if it consists of a mass of cavities filled with air. i can see them when you go sector piece of

popcorn and examine it under the microscope. that's what makes it so light. like the market researcher and his team have already used popcorn to create kitchen furniture they are showing many factories the range of potential applications for popcorn the 1st step is to turn it into a massive granules all the same size the original maize is grown in germany well that is land intensive on the plus side the material will help to reduce fossil fuel consumption. and you can read it and it tastes a lot like popcorn except there's no sugar or chocolate of course so the taste is a bit boring. the granules have been pressed together to form sheets or panels with plum proceeding providing the bonding agent as opposed to synthetic chemicals this makes the material compostable and even

suitable as animal fodder. the team are pioneers in the field. they also use a hot air gun to compare the thermal conductivity of polystyrene foam to that of popcorn and then measure the heat that penetrates through to the back in the case of polystyrene foam the sensor reads 28 degrees celsius while the popcorn board is even better at absorbing the heat here the reading is under $25.00 degrees. you can feel it would houses with the panels in the walls or on the facades also or you can also use them as insulation for solids building. be a mark. up call material also performs better in the flammability test the polystyrene burns up at a frightening speed immediately beginning to melt and release toxic gases.

subjected to the same flame the panel of popcorn barely catches fire. only reason the poor is happy to pass on the fruits of years of research on the material. or he hopes to see environmentally friendly products made from popcorn replacing polystyrene foam on a large scale and the sooner the better. the 1st popcorn packaging is due to go on the market in the fall of 2021 and will hopefully help to reduce the world's growing mountains of plastic waste. and new technologies can certainly make our lives easier when the internal combustion engine was developed in the 19th century no one in the air pollution on serious

health issues it will be later that his white many you know they just call me to the finding it will be a waste of pouring machines. when these innovations help to counteract climate change then wait to see for yourself. we that corn husks aren't uncommon in ground out these days the current drought has lasted months and the increasingly extreme weather threatens their livelihoods of local farm us especially those in the eastern part of the country or no quote could attribute it it's apparent that climate change is real and increasingly dangerous the farming seasons that people are used to are not longer predictable at times it trains will one expected route well route instead of rams it's confusing you can just farm and have hope over having harvest i was a little bit of an issue and when you haven't paid a couple. is one family who has been fortunate during these hard times have filled our knee a roof so she's been able to pump sufficient water to her crops. but they deserve

needed to power the pumps is expensive and the exhaust that is a need to as a result contributes to a greenhouse effect the researchers and technology experts from a random start up developed a solar powered irrigation system thinking they had to project was financed by a u.s. aid organization and they run the government they knew irrigation plants came at just the right time for 40 families from a parity in the district that god made agricultural more difficult and the cost of renting the diesel pumps nearly consumed the mirror on his face. what is reason was that today sciences we ended up spending much of what planning on buying fuel while using the fuel pump into narrators ira with those little left for our livelihood now we have gotten greed of all those expenses we only need to

deplete someone to water the plants. of the kurdish just. due to the more affordable. ation promise cannot attend a larger areas of land and keep farming they used a much higher as a result. i did call a hole i was only harvesting 50 kilograms of these in 2 bags of sorghum it says on now with so let irrigation the yield volume has multiplied by 3 when i am considering expanding my farming even on that one i'll be focused on that solar powered irrigation system should be up and running in all of party districts in the country by the end over $20000.00 to the start up that builds the sun at irrigation system that's also developed a system to measure the temperature and moisture of the soil sensors calculate the exact amount of water needed by the plants. farmers i've been

notified by and up about when and how much they should water their crops. they pounce and need to get. or what's being that's why we believe when they use this technology to improve their production. and it does been tested to be a success new the pay which fares i've been doing. these pilot system is powered by solar energy a swim now the hama's know exactly which plants need water and how much they need for the time being they improvising with plastic bottles which will soon be replaced by what to horses. it looks like technological advances will be key to all future that is all for today's show thank you all for being with us hope to see you again next week we'll be back with more exciting stories about nature and of course the patient i am stunned a tree no guilt signing off from the compiler here in uganda.

we are all in this together it was the slogan on social media back when the corona pandemic started. around the world it is since then become clear that the flaws are suffering the. economic inequality in the borough the to reinforce. the beliefs of. 30 minutes on. a journey into the past. that's what it's like

to visit the gob or community and translate. that roma people have held on to their traditions for 500. they protect our way of life from a modern wrong. but for how much longer. in 75 minutes on d w. more than a 1000 years ago europe witnesses a huge construction boom. christianity from established itself. both religious and secular leaders or eager to display their power.

to trace began. who can create the tallest biggest most beautiful structure substandard masons builders and architects compete with each other. this is how the massive churches are created the be. contest of the cathedral. 12th on g.w. .

the be. the bad. publicity . this is news coming to you live from tensions rise as russia deploys troops to the ukrainian border military buildup ignites fears of renewed conflict in eastern ukraine white house calls the escalation deeply concerning also coming out people in myanmar targeted by its military rulers are fleeing across the border to india many say the indian government. is there. and in new york city people are allowed to laugh again together public venues have started to reopen as.