warning that such adventures might soon become impossible global warming is melting the glaziers dani arnold can see for himself the effects of climate change easy on the days when you could really go climbing in winter that clip them called 10 years ago he thought there were lots more. the female also. 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 hour as we know them no longer exist. stagings day. in spring 2018 the mood in the glazier 3000 ski result in switzerland was euphoric even among scientists a team led by glazier expert. from the swiss federal institute of technology in zurich visits the mountains twice a year once in spring and again in autumn when the season begins. they investigate how much fresh snow fall there was in winter and the thickness of the snow cover over the ice the moss now there's been the better the condition of the glazier today the 25th of april 28th seen it's in better shape than it's been for a while. more than 5 metres of snow fell in winter. jamba itself. we've measured snow water eq

descent into the underworld ice climber dani arnold is exploring inside of 10 more to last us in the continent bound in switzerland. deep in the grass he finds spectacular rock and ice formation. not many people have ever been down here in this fight that danny can get to the very bottom only because the ice is solid enough this permafrost is thousands of years old. yet. he says steep and dangerous climb back out a unique experience. it might not be possible to do this in the foreseeable future . those mock up with nothing actually makes me think if you bear in mind that researchers say that none of this will be here any more in 90 years time. we are all more glaciers maybe that's pretty tragic isn't it this is turning into me even with that all to show. the arch glance here in valet switzerland is the largest in the out. 20 kilometers long and in parts nearly one kilometer think. of a from the swiss federal institute of technology in zurich is researching this massive natural wonder will it survive. in the clothes furniture we can't really do anything because now all the glacier is