this is desert and many deserts continue to grow. ever more forests are being cleared every three seconds one hundred trees lost that's the rate at which deforestation has been going on in the amazon for the past forty years yes that's right one hundred trees fell every three seconds. like here in the brazilian state of rum donia rain forest is cleared to make way for sowing fields cattle farm dams and reservoirs. the destruction of rain forests means even more c o two is released into the atmosphere and the earth gets ever warmer. and now we're going to me it's professor. the director general and c.e.o. off the nigeria a logical agency for years he has been collecting and interpreting data about

changing weather patterns in nigeria the country is currently struggling with extreme weather from heatwaves to torrential floods is it caused by global warming and who is responsible my colleague met with him in the nigerian capital. let's just get down to report the situation as it is situation how would you describe it so far we have been having event that we. are now much higher down what used so to speak in the indication that things are no longer normal as the climate of the country is causing you to keep crime. change.

is melting there's heaps in the south and in the equatoria has not affected the rainfall possible generally indoor what tends to happen here or not is as a result of the global warming that is so much destruction in department. different areas in nigeria for instance we're not nearly so much a month over the plan to see if we didn't a short period of time but it says only within the most of us in deposit when we used to have normal onset of rent in most part of the country discover that just as much was status either way but not the concept. that has now changed so now you must believe you will discover that not and to me. also before we start with which i mean the total number of rainy days we have been have now become shorter let's look at industrialization. in for instance for the past few months are we talking about the suit. is being blamed on the burning of

hydrocarbons you do burning on tires in the burning or destruction of the. be done to see the situation and look at the kind of activities we are doing what he would do in that. that are causing these problems so let's look at that we can start doing the activities but we can bring some modification in the way we do our activities so that if. for instance we. may be. that we don't like then what are we supposed to do more defy it in such a way that we have to be. less. combine them into forms in which we can utilize so that we will not be losing them to the atmosphere before i let you go. africa and environment but it doesn't

just talk about the environment what it's we talk about is solutions ideas innovations by people for instance so if you can just tell. how do you watch the show and then talk to people about the environment. nobody is there you can buy so. what are you doing where do. i look or so without being friendly you can continue to survive. some deep insights. and whether. situation on our continent by professor we're switching over to germany now which is also doing its best to tackle climate change like investing in renewable energy sources but that can also have its various isn't

that's true now tell yes it's hard to believe that environmentalists are now beginning to ask the question about how clean is the new of all energy many wind generators all need to be replaced are graded or taken down completely but where do you put all those tons of cement steel and plastics and what africa has the answer. these are sections of decommission turbines as a wind park in northern germany. a group of local environmentalists aren't satisfied too much of the base is still in the ground they want the whole thing to be removed. there are going to be problems we've got thirty thousand wind turbines in germany and after ten years they're replaced because the

technology has improved and the industry has to keep going so more and more sets of foundations are going to be clogging up the ground it's a huge environmental issue and it's being swept under the carpet. the concrete bases can be crushed and used in road construction. but the rotor blades contain glass and carbon fiber is wise to burning them isn't a viable option. do you. think you've just. done it's difficult to dispose of them for the dust clogs the filters will stop or carbon fibers conduct electricity and they cause short circuits and fires in the filters that's why incinerators either won't accept them or they charge exorbitant prices to dispose of them. of the thirty thousand turbines in germany a very large number are going to be decommissioned over the next few years and

replaced by larger units. environmentally friendly disposal methods need to be developed before the weight of demolition gets under way. neo compact the company that recycles modern composite materials and there are plenty of them of. glass and carbon fiber reinforced plastic are used not only in voters but also for example in airplane construction but what can you do with them once they're scrapped. when to cool. thank you when you take to cake there is no technology in the world that lets you separated back into eggs baking powder flour and milk. the same applies to these materials g.r.p. c.r.p. . their constituent parts are so tightly bound together that they can't really be separated and. the company has developed a procedure to tackle the problem it shreds the material difference elting stuff is

light and easy to handle and while it can be burned as a substitute for fossil fuels in the manufacture of cement it can also be mixed with paper production residue and turned into granny less. that granulation can be used as a component of cement as a substitute for sound. so much the ment is made and used in construction around the world that sand is becoming scarce in some countries. every day five truckloads of the material are shifted to a cement producer. neo-cons innovative technology one the renowned green tech environmental war it. is a glass we don't just mindlessly burn these reinforced plastics and some incinerator plant. we put them to new use and that means we can use the silicon and

fiberglass to replace to some extent the sand that's needed to produce cement as it . could well turn up in the cement in the foundations of the next generation of wind turbines. and what is causing that africa's biggest migration around ten million for bats travel from coal.