school can wait for lucas like now today he and his classmates have driven three hours from lubec to join a student demonstration in berlin they are here to protest about climate change. what you are. the general problem is that there's not a lack of knowledge but of action that's why it's good to go in the streets now and express our views but we'll see what will come out of it. and over the christmas to me i'm sorry these young students are demanding action from those sitting in the building across the street the german coal commission a group of experts that advises the german government on how to end coal production economics minister peter altmire wants that this is about more than just climate change. then. if we actually mark there will be no losers there will only be winners and we will be supporting those regions affected by structural change and the government committed to its climate policy goals. it's not clear if the politicians are listening to the school students but the young demonstrators have caught the attention of chinese artist and activist i way way. they're tak

at the phone hope for marine biotechnology institution in lubec not in a gay bird is trying to combat the dwindling fish stocks brought about by human population growth she wants to make fish farming as effective as possible by concentrating on fish that happen especially high growth rates and therefore produce a lot of food. if it officially funny mentioned guess that half of the fish that people eat come from aquaculture or fish farming and it's increasing because the oceans are being of a fish to man and just as we started keeping cows in stables ten thousand years ago it makes sense to breed fish under controlled conditions instead of fish in the seas amity. to create a fish farm that works you need a reliable effective nursery to rear the young animals or fingerlings. band eba share has already created several such systems during his research now his expertise is taking to the international stage for the first time he hopes he can help malawi in its desperate need to produce more fish something i would call. that's the stuff i had to look at what they had and what they could use