in ulaanbaatar, the capital of mongogolia, more e than 600,0,00 nomadic herders have moved to the city, leaving a deeply- rooted lifestyle now threatened by climate change. [men speaking indistinctly] mitsuaki toyoda: people in mongolia have been practicing herding f for centuries since te era of genghis khan. even today, about one-quarter of the population live a nomadic life. [lamb bleating] toyoda: a dzud is a climatic term used in mongolia, which is characterized by summer drought followed by severe winter weather. the dzud used to happen every 10 years or so, but it's becoming more frequent. [lamb bleating] [child chattering] toyoda: there is about 750,000 people living in the care districts where infrastructure is very limited. toyoda: the young people in mongolia is no different from any other young g people livingn other countrieies. tey are veryy curious a about what the urban life can offer to them. toyoda: we need better long-term strategies to make sure that the livestock sector will become more sustainable. so it's probably better that we focus our assistance toward margin

i live in ulaanbaatar, which is the capital city of mongolia.o, my mom works as a communications officer in the environmental sector. and my father owns his own business. he sells flowers. usually, i like to hang out with my friends. but sometimes, when i'm alone, i like to walk around the city and see what new things are being built. i just like to see my city. there are a lot of things that make me happy. the best part is being with my loved ones, such as my family and my friends. in my opinion, a big global problem is every type of pollution, such as air pollution, water pollution, and every kind of pollution. i think that that's so bad for every living thing. i think i have it better than my grandparents did because there is freedom and also better technology, better everything, i think. >> this week on global ideas, we take a look at elephants and bees. in kruger national park in south africa, elephant populations are on the rise - playing havoc with local vegetation. that's where bees come in, the industrious insects have now been appointe