/channels/taxonomy/term/720/all en /channels/channels/news/sea-level-rise-rapid-and-unstoppable-unless-paris-agreement-targets-met-330786 <p><em>Image Caption: The Mackenzie River Delta on the Beaufort Sea, a low-lying region in the Canadian Arctic that is vulnerable to rising seas in a warming climate. CREDIT: Nadia and Harold Gomez</em></p> Fri, 16 Sep 2022 21:01:40 +0000 webfull 182606 at /channels /channels/news/sea-ice-extent-arctic-and-antarctic-reached-record-lows-november-264682 <p>“Both the Arctic and Antarctic experienced record lows in sea ice extent in November, with scientists astonished to see Arctic ice actually retreating at a time when the region enters the cold darkness of winter.” (<em><a href="https://www.theguardian.com/environment/2016/dec/06/arctic-antarctic-ice-melt-november-record">The Guardian</a></em>) (<a href="https://nsidc.org/arcticseaicenews/2016/12/arctic-and-antarctic-at-record-low-levels/">National Snow & Ice Data Center</a>)</p> Wed, 07 Dec 2016 19:27:20 +0000 webfull 123600 at /channels /channels/news/global-warming-felt-deepest-reaches-ocean-233810 <p> Mon, 03 Mar 2014 16:30:08 +0000 webfull 101457 at /channels /channels/news/making-antarctica-265483 <p>One of the big mysteries in the scientific world is how the ice sheets of Antarctica formed so rapidly about 34 million years ago, at the boundary between the Eocene and Oligocene epochs.</p> <p>There are 2 competing theories:</p> <p>The first explanation is based on <strong>global climate change</strong>: Scientists have shown that atmospheric carbon dioxide levels declined steadily since the beginning of the Cenozoic Era, 66 million years ago. Once CO2 dropped below a critical threshold, cooler global temperatures allowed the ice sheets of Antarctica to form.</p> Tue, 31 Jan 2017 18:20:08 +0000 webfull 124550 at /channels /channels/news/antarctic-expedition-takes-students-magical-journey-240940 Tue, 06 Jan 2015 12:14:21 +0000 webfull 107345 at /channels /channels/news/nearing-limits-life-earth-257865 <p><em><strong>By Katherine Gombay, </strong><strong><a href="//www.mcgill.ca/newsroom/">ƻ����Ժ Newsroom</a></strong></em></p> <p><em>Failure to find active microbes in coldest Antarctic soils has implications for search for life on Mars</em></p> Tue, 19 Jan 2016 15:27:40 +0000 webfull 115267 at /channels /channels/news/nearing-limits-life-earth-257977 <h3>Failure to find active microbes in coldest Antarctic soils has implications for search for life on Mars</h3> <p>Natural Resource Sciences professor Lyle Whyte and postdoctoral fellow Jackie Goordial talk about their research which suggests that it is unlikely that it is unlikely that there is any microbial life to be found on Mars.</p> Tue, 19 Jan 2016 19:32:49 +0000 webfull 115343 at /channels /channels/news/antarctic-permafrost-may-not-be-habitable-microbes-%E2%80%93-so-mars-258090 <p> </p> <p>"It doesn't mean there's no life on Mars, but what it does mean is it's going to be harder to find," said Jacqueline Goordial, the ƻ����Ժ researcher who led the study, in an interview with Rachelle Solomon on CBC's Breakaway.</p> Mon, 25 Jan 2016 14:48:25 +0000 webfull 115475 at /channels