live at the annual al terptive to big box stores. >> the card board economy. you do with the empty boxes? a company has an idea that goes beyond recycling. >> almost didn't happen. but thanks to bay area producers working at pixar, it did. that's all coming up in a half hour. >> i can't wait to see that. cute. >> people might notice something a bit different about the giant community tree at san jose christmas in the park. >> because the 50 foot tree was not chopped down. it was made in factory. the first time in the 40 year history of the event the city used an artificial tree. >> it's cheaper this way. christmas in the park spent $20,000 every year on a tree. this tree cost 18,000. and can be used for future events. >> it also will feature a new computer controlled light show. that wasn't possible with the real tree. a lot of people are feeling it's more sustainable. >> we have one. >> yeah. all right. looking good. >> every year. and the pine scent to go with. >> world news tonight is this weend at ross, say yes for less... ...to gifts storewide... ...at 20