Svalbard, vitrine du réchauffement climatique
Le Svalbard, cet archipel norvégien situé aux portes du pôle Nord, est aux premières loges du réchauffement climatique. En juillet 2020, le thermomètre a battu un record de température: 21,7 degrés, alors que la moyenne estivale ne dépasse généralement pas les 10 degrés.
Arctique & Antarct. pergélisolAuftauender Permafrost in Sibirien – Im Boden lauert die Gefahr von über einer Billion Tonnen Klimakiller-Gase
Der sibirische Permafrost speichert doppelt so viel Kohlenstoff wie die Erdatmosphäre. Beginnt er einmal aufzutauen, ist der Prozess nicht mehr zu stoppen. Was sollen wir tun?
rétroactions pergélisol RussieAcross the Boreal Forest, Scientists Are Tracking Warming’s Toll
The Marcell Experimental Forest in northern Minnesota. Scientists are simulating different climates in these glass chambers to better understand how boreal forests will respond to rising temperatures. Credit: Oak Ridge National Laboratory/U.S. Department of Energy
Arctique & Antarct. forêts pergélisolEuropas Permafrost taut unweigerlich auf
Ist der nächste Kipppunkt fürs Weltklima schon überschritten? Laut einer neuen Studie lässt sich das Tauen der methanhaltigen Permafrostböden in Nordeuropa selbst im besten Fall nicht mehr verhindern. Das Wort vermittelt Beständigkeit.
Europe rétroactions pergélisolFast-melting alpine permafrost may contribute to rising global temperatures
Newswise — From the ancient sludge of lakebeds in Asia's Tibetan Plateau, scientists can decipher a vision of Earth's future. That future, it turns out, will look very similar to the mid-Pliocene warm period – an epoch 3.
rétroactions montagne pergélisol‘Imminent’ tipping point threatening Europe’s permafrost peatlands
Large swathes of northern Europe and western Siberia may become “climatically unsuitable” for carbon-rich permafrost peatlands within a few decades, even under moderate warming scenarios, a new study warns. These carbon-rich landscapes span more than 1.
Europe rétroactions pergélisolLife in one of Canada’s northernmost villages, where the land is sinking into the sea
On the shores of the Arctic Ocean lies the hamlet of Tuktoyaktuk. As ice-free summers have stretched out for longer periods, Tuktoyaktuk’s coastline has become increasingly vulnerable to the open sea, and erosion threatens to render the land uninhabitable. 25 minutes video.
Arctique & Antarct. pergélisol fonte des glacesDid We Miss Biden’s Most Important Remark About Russia?
Pretty much every crucial line in President Biden’s recent marathon news conference has been dissected by now — except one, the one that may turn out to be the most prescient. You had to be listening closely because it went by fast.
rétroactions chaleur pergélisol Russie incendies