we re following breaking news here on cnn. if you re in the charlotte, north carolina, area, you need to pay close attention because according to our jacqui jeras there s been an active tornado in the area spotted there. and there are some warnings going on and watches as well. jacqui is checking the information for you now. these are live tower cams from north carolina and you see there the dark clouds are hovering. they are looming. we re following it on cnn. stay tuned. our meteorologists working it for you. in the meantime, we want to talk about the winds of change blowing in one pennsylvania town. workers leaving the steel and automotive industries for the clean energy sector. cnn s joe johns takes us on a tour of a windmill blade factory generating green jobs. it s our building up america report. reporter: this used to be steel country usa with its towering pollution machines. now new jobs in the clean energy sector putting people back to