(rooster crowing) man: on eaearth, two t things involvlved. you may either borna woman n or a manan. if you're bn woman, youou are self. if you ae born a man, , two things involv. (speaking native language) aha! umoza: if you accuse someone--no, so, ok. if you accuse someone, you are self. i'm stuck. second m man: when y you come to (unclelear), there a a two t ths involved. you'll either get stas or hiv. when you get other stas, you are safe. but when you get hiv, there is one thing involved. you develop aids, you will die. it end there. (speaking native language) ththird man: ...7 years now. (speaking native language) (laughing) (speaking native language) (speaking native language) (audience laughing) (speaking native language) umoza: the name of our group is umoza youth organization. our group started in late 1999.. (singing in native language) umoza: thehe objectives of t the group are to fight against hiv-aids, to prevent mother-to-child transmsmission f hiv, aidids. second man: so, we try to make some songs. third man: mainly, w we perfo

coming up on "eaearth focus." >> having traveled to the arctic region it's really hard to describe theperience. of standining and looking out over m miles and mileses and mi ofof ice floes as far as the ey can see. a majesty unparalleled. on the planet. >> at the northern most part of the earth the arctic covers over five million square miles. and includes parts of the u.s., canada, greenland, iceland, norway, sweden, finland, and russia. >> the arctic is very, very difffferent dependiding on wher you go. evenen within individual countries. you might have a ve develeded aspect. in the arctic c and then you might have underdeveloped areas. >> this is a place where with significant urban settitings, a well as s very small indigenous tribibal communities. >> n northern norway calllled t paris of the north. beautiful city. amazing infrastructure. better roads than washington, d.c. they havave underground tunnels and r roundabouts. >> much of the arctic is unpopulated and littttle explplored. winter temperatures can plunge below zero fahrenheit. summers average 50 degrees above zero or high