symptoms can be mild, itching, localized hives, or can be very serious, wheezing, difficulty breathingss of consciousness, in some cases sudden drop in blood pressure. it is important for people to understand food allergy can be fatal. >> you have to call 911 right away. >> exactly. >> talk about the epi pen in a moment. we have to take a quick break. they'll stay with us another segment, talking f >>> welcome back to beyond the headlines. we're talking about the rising rate of food allergies across the country. a northern california family wants to warn others about the dangers of severe food allergies after their daughter died during a camping trip this july. 13-year-old natalie georgy was with her family in the national forest when she had a severe allergic reaction to peanuts. the carmichael girl mistakenly took a bite of a rice crispy par with peanut butter. they used epi pens. that's a sad story, so sorry for that family. they're trying to help educate people. you brought one of these pens. most of us call it the epi pen. charlotte, how do you use this? what's the trick? >> these

he spends his whole hive here -- life here. process many locals on the island have gone through eight nine even ten times. the locals here say that just ten years ago it used to take two whole days to walk from here to the river bank. stretching out from here there used to be a dozen villages. today they are all gone. according to experts climate change is to blame for the disappearing act. rising sea levels and a river that crashes down on its shores harder than ever thanks to erratic rains. >> the developed countries are responsible so that developed countries, the highest carbon users have to take the responsibility of these climate changes. >> there aren't enough of them. >> translator: the demand for these houses is much more than the supply. there's so many people who have lost their homes the demand is too much. >> even some of these villages have already been lost to the encroaching waters. so far half a million residents of bola have been displaced. they fear it won'ting long, before they face the same fate. >> north and south korean exch