. >> the reason that we're worried about neonicotinoids specificly is beuse the're beingsed at n unprecented scale. >> essentially, it seems to me the agri-chemical industry has persuaded everyone that they need these products as an insurance against a pest outbreak in their crop. but actually, most of the time these pests aren't there. so you're insuring against something which is never gonna happen. >> they have a real impact on natural enemies of the crop pests. we can cause secondary pest outbreaks because these chemicals are so efficient at killing the predators and the parasites of the crop pests. perhaps 70% of the onicotinoids used on soybeans in a seed treatment are not needed. there's no pest that they're controlling. so if we just use them only when they were needed, we could eliminate insecticide use over millions of acres. >> many people would say we need pesticides to grow the food to feed the growing world, the human population, and that maybe it's a necessary evil to sacrifice some wildlife along the way. fine. so you then look to see, to try to weigh up the damage that neoni

students at temple told us they us e miles p hour milter in innocent ways but also, beingsed in potentially dangerous snap chat seding. >> you watch how ft you ge >> people go a ned to schuylkill. >> one time i saw 120 miles. >> reporter: here's how it works. users can record video fm inside the app. when one lr rerts speed. the pblem is it automatically disappears. the there is no wayor family to prove wh she sent, her phe was destroyed in the fire. her uncle says that family meersaw gian. >> speed was on the phone from the app. >> i think it really hoiblehat it is something that is there. >> go sr. >> reporter: barton left behind two young children and a devastated family. >> unaudible. >> reporter: police are trying to determine whether the app played a role in the accident, fitid her m has ry strong feelings. >> if that hpened, and it helped kill my daughter. >> reporter: "action news" reached out to snaphat multiple times r a mnt. they sd they wouldn't share a statement but ty do ke distracted driving seriously. thfirst time someone i theiles per hour feature a message pops up, warning

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they don't know what the motive is or what this man was thinking but, again, he is beingseing questioned by detectives nowve n over at another hospital. that's the very latest here insi reston, virginia. back to you in the studio.hetudi >> annie, thank you. y. 7:05 right now. >> breezy out there looking att annie out there. t >> and cold. you can see the cold on her face there.ther overnight numbers fallen belownl freezing.zing. icy spots.ic we had a little batch of light snow showers come through but enough to give a dusting to to places like annapolis, colonial beach, parts of the area have av gotten little bit of snowf sno overnight. just be wary slippery spots. okay?ay? >> slippery spots. >> yes. >> i can't say it.t. >> not you. y thank you. y >> 32 now in washington.hing 30 in baltimore. 28 in gaithersburg. notice if you look at your maprm that everybody is at or blow blo freezing to start the morning.oi 30 in winchester.ester 28 in hagerstown.n. and in martinsburg.ns there's your light snow shower activity.ty now very quickly fading off toit the south and east.h anst beaches gettin