there's so many trains coming to munich. hats off to the german authorities, they are coping very, very well, making sure they don't spend too much time in the heat. they get food, water, medical attention and taken to shelters. the authorities here, like many european countries, very much overwhelmed with the flood of people coming to this town. >> we are having transmission problems, but so good to see and hear this from fred. a humanitarian effort in germany. president obama is taking on climate change deniers during a trip to alaska. he says the time to plead ignorance is past. the president is said to call for more ice breakers to be built and use zed in the arctic allowing the u.s. to expand foothold there. machel kaczynski is live with the latest. >> reporter: there's a lot going on on this trip. i'm report thag the president will ask congress for more ice