i am afraid d of havining a bad score on a t test at schooool,d mymy momnd my y dad will thehenl at mei have my sister. her r name is mia,a, a naughty,, naughthty sister. she's 4.5 years old. i think they live better than us. they donon't have to l learn ash ase dodo herin schchoo i thinink it is the internet, because there's both good and bad. thbad is, it can make people azy, have problems w with thei minds s if they use ththe intet too much, , and then thehey dt nt to o talk with ananybody el. i go to school at 00 a.m. and i come back home at half past 4:00 p.m. i thk we havavlearned momore than teenage from otherr countrtries. host: today in g global ideas,e head to mongolia, a country known for its vast expanses of open, rolling grassland. but t this extraraordinary lande is under teat t from overgrazing, a potential ecological disaster. our reporter dan hirschfeld travelled to hustai national park, close to the country's capital, to find out what's being done to protect the asian steppes. reporter: the mongolian steppe can seem infinite. the grasslands here offer a perfect habita