Peach Team News Today

>> im elise preston in santa monica, california, where crowds are coming to escape the extreme heat. also tonight, mixed signals. after a week filled with flight delays and cancellations, starting today, theres a new invisible threat that could cause more disruptions. im michael george in new york. new, more powerful 5g wireless signals could make your flight delays even worse. plus, immigrant crackdown. floridas new law that takes aim at undocumented workers and their employers ...

holiday weekend getaway. >> the faa says today will be the highest level of scheduled flights for the holiday. ♪ ♪ >> poor air quality alerts are in effect for millions across the country as smoke from canadian wildfires continues to spread. >> look how it has expanded from the midwest to all the way down into the deep south. ♪ ♪ >> the defendant is not guilty. >> norah: breaking news. the school resource officer at the parkland massacre is acquitted of child negligence after n...

and staff issues continue to wreak havoc on the holiday weekend getaway. speak with the faa says today will be the highest level of scheduled flights for the holiday. ♪ ♪ >> pour air quality alerts are in effect for millions across the country as smoke from canadian wildfires continues to spread. >> look how it has expanded from the midwest to all the way down into the deep south. ♪ ♪ speak of the defendant is not guilty. >> norah: breaking news. the school resource officer is ...

She was describing one of many problems plant geneticists are trying to tackle. Add to unseasonable temperatures, drought, flooding, disease, pests and a growing global population that will require farmers to grow more food on less land with more efficiency, and it’s enough to, well, as one headline stated: “Summer heat can lead to summer depression.”

The averages is about the many we need to have a crop. >> reporter: no margin for error? >> thats right, we have to come to the average every year and we cant. >> reporter: dario chavez is trying to breed a better peach. >> each one of these is actually a pit from the fruit we harvest from across that we make. >> reporter: at the university of georgia come his peach team is a matchmaking slivers from the pits of different varieties. their goal, a peach more resilient to georgias changing climate...