From AAAS Review ENVIRONMENTAL SCIENCES The polar regions in a 2°C warmer world Science Advances 04 Dec 2019: Vol. 5, no. 12, eaaw9883 DOI: 10.1126/sciadv.aaw9883 Abstract Over the past decade, the Arctic has warmed by 0.75°C, far outpacing the global average, while Antarctic temperatures have remained comparatively stable. As Earth approaches 2°C warming, the Arctic…
At right: Portrait of the artist first writing on sea-ice; coastal Maine, January 1977 Guest essay by Caleb Shaw PART ONE Nearly forty years ago, back when nobody talked of Global Warming, I lived up on the coast of Maine during a series of remarkably cold winters in the late 1970’s, residing in a shack…
Note: the image below is an animation, on some browsers you may have to click on it to get it to animate. Above: Image from Unisys showing the circumpolar vortex during the last big outbreak and decay in the CONUS. Animation by Anthony h/t to Scott Sabol Fox 8 for the source. Guest essay by…
Guest essay by Jan Kjetil Andersen As Willis describes in his article on December 21, the atmosphere can be seen as a gigantic heat engine, i.e. a machine which convert thermal energy, namely temperature, into mechanical energy, namely wind. It may seem a bit strange to view the weather system as a kind of machine…
A World Meteorological Organization insider’s view of the IPCC report. Guest essay by Dr. S. Jeevananda Reddy Formerly Chief Technical Advisor – WMO/UN [A note to readers: English is not Dr. Reddy’s primary language. I have made some edits to his original manuscript for clarity, but some readers may find the writing style a bit…
From the Massachusetts Institute of Technology: While the Arctic Ocean is largely a carbon sink, researchers find parts are also a source of atmospheric carbon dioxide For the past three decades, as the climate has warmed, the massive plates of sea ice in the Arctic Ocean have shrunk: In 2007, scientists observed nearly 50 percent…
From the University of Alaska, Fairbanks Study: Arctic seafloor methane releases double previous estimates The seafloor off the coast of Northern Siberia is releasing more than twice the amount of methane as previously estimated, according to new research results published in the Nov. 24 edition of the journal Nature Geoscience. The East Siberian Arctic Shelf…
From the University of Buffalo Clues in the Arctic fossil record suggest that 3-5,000 years ago, the ice sheet was the smallest it has been in the past 10,000 years Summary: Ice sheets are like bulldozers. As they grow, they push rocks, boulders, clams, fossils and other debris into piles called moraines. By dating ancient…
Guest Post by Kip Hansen There are a lot of good, in-depth technical discussions of Cowtan and Way 2013, Coverage bias in the HadCRUT4 temperature series and its impact on recent temperature trends. This is not one of them. In this post, I only hope to demonstrate a trick I learned when a young man,…
By Christopher Monckton of Brenchley This time last year, as the honorary delegate from Burma, I had the honor of speaking truth to power at the Doha climate conference by drawing the attention of 193 nations to the then almost unknown fact that global warming had not happened for 16 years. The UN edited the…