the spectacular alps dazzling ice against a brilliant blue sky donny arnold and his friend are extreme mountaineers on a quest for the ultimate thrill. they're climbing the pits a nearly 4000 meter peak. unselect in pickle and position your ice axes on the wind you hear the tension of these crests and hisses when it breaks up the ice blocks it's really cool yes it is a make a cool buzz an increasing number of scientists are warning that such adventures might soon become impossible lobal warming is melting the glaziers donny arnold can see for himself the effects of climate change easy on the days when you could really go climbing in winter in that clip them called 10 years ago he thought there were lots more of them female. experts say we're at a turning point there's less snow less ice and glaziers are retreating. it won't be long before the alps as we know them no longer. just. i've got to. say jeez steve. in spring 2018 the mood in the glazier 3000 ski resort in switzerland was euphoric even among scientists a team led by glazer an expert. from the swiss federal institute of technol

descend into the on the wild rice climate donny arnold is exploring inside of 10 more to the glass he has an account on a pan and switzerland. deep in the grass he finds spectacular rock and ice formations. not many people have ever been down here let me write that danny can get to the very bottom only because the ice is solid enough this permafrost is thousands of years old. yeah. it's a steep and dangerous climb back out a unique experience. it might not be possible to do this in the foreseeable future . as muck with nothing actually makes me think if you'll bear in mind that researchers say that none of this will be here any more and 90 years time. more glaciers maybe that's pretty tragic isn't it and this is certainly going to mean even with that all this year. the honors class here in valets switzerland is the largest in the ounds. 20 kilometers long and in parts nearly one kilometer fake. way from the swiss federal institute of technology in zurich is researching this massive natural wonder will it survive. in the current furniture we can't really do anything because now the gla