harvard s first black female president out after just six months on the job. a suspected israeli air strike kills three hamas leaders in lebanon, including one of the founders of the group s military wing. what it could mean as the conflict widens. a deadly collision in japan involving a passenger plane and a coast guard on its way to victims of the massive earthquakes there. we ve got a gunshot wound. major: our new series, guns in america. we spend a night at one of the nation s top medical trauma centers with a firsthand look at the impact of gun violence. you see people on their worst day, and they are on death s door. shift a few seconds from here to there, and that shift can have a big impact. google maps and ai may mean less red lights in your future. when i look at a red light, i see opportunity. opportunity to help drivers and opportunity to help the planet. major: good evening, to our viewers in the west. thank you for joining us. i m major garre
academic past. harvard s first black female president out after just six months on the job. an israeli air strike kills three hamas leaders in lebanon, including one of the founders of the group s military wing. what it could mean as the conflict widens purely deadly collision in japan involving a passenger plane and a coast guard on its way to victims of the massive earthquakes there. our new series, guns in america. we spend a night in one of the nation s top medical trauma centers with a firsthand look at the impact of gun violence. you see people on their worst day and they are on death s door. takes a few seconds from here to there, and that shift can have a big impact. google maps and ai may mean less red lights in your future. when i see a red light, i hear opportunity, an opportunity to help drivers. major: good evening everyone. thank you for joining us. i am major garrett in for norah. we begin with a shake up at the top of one of the nation s mo
particular time of day, can reduce traffic. reporter: once the system makes an adjustment, how quickly can you make an adjustment? it can take 5 minutes. reporter: seattle is the first u.s. city to try this but the program is being tested at 70 intersections in 13 local cities impacting 30 million car trips per month. google claims it could reduce stop and go traffic by up to 30%. it means a lot for drivers, and it also means a lot lot for emissions. reporter: she says half of vehicle emissions at intersections come from cars accelerating after stopping in google things it can reduce those front by 10%. it matters because transportation is the number one source of planet warming pollution in the u.s. so intersections are a really good leverage point for tackling climate. reporter: google provides its service for free and plans to expand to thousands of cities, creating what it calls a green wave for drivers. i feel like i engaged with the red wave a lot more often then th