Greenland's ice sheet consists of about 2.7 million gigatons of ice. Until 1990, the ice mass remained about the same. Since the turn of the millennium, Greenland has been steadily losing ice to the sea. Author: 3sat/nano/mobyDOK/Alexander Lahl/Max Mönch/Jean Schablin/Robert Coellen/Mirko Tribanek/
In the island world of Southeast Asia, the animal worlds seem strangely separated. How come? In the 19th century, naturalist Alfred Russel Wallace had a theory. Source: https://www.zdf.de/dokumentation/terra-x/was-ist-die-wallace-linie-creative-commons-clip-100.html https://www.zdf.de/dokumentati
The volcanoes of the Andes are particularly explosive. The oceanic plate that dips below the continental one contains a lot of water. The water evaporates in the glowing magma. High pressure is created, which discharges at the Earth's surface in massive volcanoes. Source: https://www.zdf.de/dokumen
