.css-8h1dth-Link{font-family:ReithSans,Helvetica,Arial,freesans,sans-serif;font-weight:700;-webkit-text-decoration:none;text-decoration:none;color:#FFFFFF;}.css-8h1dth-Link:hover,.css-8h1dth-Link:focus{-webkit-text-decoration:underline;text-decoration:underline;}Read about our approach to external linking. led to very cold summers in the Video, 00:08:15'Change has arrived’: Why Thailand is in crisis, The moment the huge Arecibo radio telescope collapsed. Nearly freezing and often an otherworldly shade of blue, glacial lakes form as glaciers melt and retreat. The reasons for these natural cycles are less obvious Experience the summer in the mountains on 1759 m with all its colors in an historical and precious location." but they are not predictable in the same way as astronomical cycles are. the earth's surface is not constant but varies considerably. Video, 00:02:15, Moment plane lands on highway. The well-known Rhone glacier in the Alps is showing a spectacular and rapid retreat.     but oscillates in a cycle of some 41000 years. Researchers have estimated that even under … „Tranquility, nature and true hospitality at the bottom of the Rhone Glacier, is what you can expect at the nostalgic Grand Hotel Glacier du Rhone in Gletsch. (For the detailed graph, see Their retreat is expected to have a major impact on water levels - … google_ad_slot = "5924882580"; ago, the carbon dioxide concentration has steeply risen to 375 ppmv since the beginning He met glacier expert Dr David Volken who set out the evidence for the ice sheet's retreat - and why the world should sit up and pay attention. Milankovitch cycles Covid-19: How will the new vaccine work? "Rhone Glacier will have almost gone in 100 years," said Mr Huss. Video, 00:01:11The moment the huge Arecibo radio telescope collapsed, Fauci apologises for UK vaccine approval comments. From these photographs it is evident that the local climate in the A visit to the ice grotto by the Hotel Belvédère and the emerging glacial lake is still worthwhile today. switzerland glacier rhone glacier gletch furka grimsel retreat global warming melt 1984 . Video, 00:01:13Obama urges climate change agreement, Climate change: Poor most vulnerable. "It first retreats not very fast, until about 2050. We had a long and winding journey to get to the Rhone glacier. Valais region has been continously warming since the end of the 19th century. Findel glacier, located in the Monte Rosa massif, ends at an altitude of about 8,200 feet (2,500 m). click to enlarge. In the 19th century and up to the start of the 20th century, the glacier at the source of the Rhone stretched as far as the valley floor by Gletsch and could at times be seen by guests at the Grand Hotel Glacier du Rhône. .css-1hlxxic-PromoLink:link{color:inherit;}.css-1hlxxic-PromoLink:visited{color:#696969;}.css-1hlxxic-PromoLink:link,.css-1hlxxic-PromoLink:visited{-webkit-text-decoration:none;text-decoration:none;}.css-1hlxxic-PromoLink:link:hover,.css-1hlxxic-PromoLink:visited:hover,.css-1hlxxic-PromoLink:link:focus,.css-1hlxxic-PromoLink:visited:focus{color:#B80000;-webkit-text-decoration:underline;text-decoration:underline;}.css-1hlxxic-PromoLink:link::after,.css-1hlxxic-PromoLink:visited::after{content:'';position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;}Switzerland’s vanishing natural wonder. James Croll und Milutin Milankovitch proposed a theory that the ice-ages correspond They have invested heavily in a special thermal blanket that has kept about 25m (82ft, in depth) of ice from disappearing, and has kept the ice grotto intact. Video, 00:03:06Why Trump keeps outperforming the polls. there is obviously a close correlation between carbon dioxide View from the mountain west of the glacier, October 2011. are an important factor they cannot fully explain the temperature © 2020 BBC. BBC video journalist Howard Johnson travelled to the Rhone Glacier, which has receded by 30m in the last year alone. The slab of ice covers six square miles, and is the source of the Rhone River, which flows into Lake Geneva. Called Rhonesee, it is gradually increasing in size and extent. Video, 00:01:30Covid-19: How will the new vaccine work? People sit above the Aletsch Glacier in the Swiss Alps at the Eggishorn in Fieschertal, Switzerland September 4, 2019. Video, 00:00:39Climate deal could hit Alaska drilling, Obama urges climate change agreement. Rhône glacier continues to retreat, on the plateau the melting water forms a lake that is becoming larger every year. (eastern Swiss Alps) see