unic unicef's report says 300 million children worldwide are living with outdoor pollution that exceedsorld health organization. that's areas six or more times higher than international guidelin guidelines. unicef will call on world leaders to take action against air pollution at a climate change conference next week. >>> a nashville family has filed a $30 million lawsuit against amazon and nine various sellers on its e-commerce site. the hoverboard they purchased on amazon turned out to have a counterfeit battery inside which caught fire and burned down their $1 million home in january. the family claims amazon and its various subsidiaries had information about the danger of the product before the fire. amazon says it does not comment on legal matters. >>> well, today is halloween, as you know by now. up next, the story behind a flying ghost. why it took neighbors three years to solve this mystery. >>> break my mom marnie and then she died life. of lung cancer. so i have a personal interest in helping prevent smoking. i'm tom steyer, the co-chair of the yes on 56 campaign. every year,