SciBlogs

Totten hots up, ice shelves melting: it’s grim down south Gareth Renowden Mar 30

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Much news in recent weeks from Antarctica, and none of it good. An Argentinian base on the tip of the Antarctic Peninsula recently reported a new high temperature record for the continent — 17.5ºC. A team of scientists has discovered that East Antarctica’s Totten Glacier — which drains a catchment that contains enough ice to […]

Leyland and Carter: the rebuttal that isn’t and the hypocrisy that is Gareth Renowden Mar 25

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Sciblogs editor Peter Griffin recently gave climate denial activists Bryan Leyland and Bob Carter a “right of reply” to my post pointing out the errors and inconsistencies in a Dominion Post op-ed penned by the pair. Griffin took this action because of vociferous complaints from Leyland, who took offence at my discussion of his expertise […]

Climate Shock Bryan Walker Mar 12

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Uncertainties attend the predictions of climate science, as the scientists themselves are careful to acknowledge. Reluctant policy makers use this uncertainty to support a “wait and see” response to climate change. Prominent American economists Gernot Wagner and Martin Weitzman in their recent book Climate Shock: The Economic Consequences of a Hotter Planet are scathing in […]

DomPost denier debacle: science has the last word Gareth Renowden Mar 10

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The Dominion Post, which blotted its editorial copybook last week by publishing a factually incorrect and highly misleading opinion piece by climate denialists, has today published a heavyweight reply by three of NZ’s top climate scientists — David Wratt, Andy Reisinger and Jim Renwick1. Headed “Human role in climate change is clear”, the article is […]

25 ways the DomPost failed its readers by publishing Leyland and Carter’s climate crap Gareth Renowden Mar 05

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The Dominion Post, the newspaper of record for New Zealand’s capital city, today gave great prominence to an opinion piece by high profile climate denialists Bob Carter and Bryan Leyland titled Hypothetical global warming: scepticism needed1. It’s a “Gish Gallop” of untruths, half-truths and misrepresentations — a piece so riddled with deliberate errors and gross […]

Antarctic ice going fast: Larsen C ice shelf primed for giant calving event Gareth Renowden Mar 02

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The Larsen C ice shelf on the east coast of the Antarctic peninsula is primed for a giant iceberg calving event, and could be heading for total collapse — similar to the fate of the Larsen B ice shelf in 2002, according to scientists monitoring the ice. A huge crack (above: hover over the picture […]

Blink and its gone – spectacular time-lapse of ice retreat at Fox Glacier Gareth Renowden Feb 26

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This spectacular time-lapse video1 captures the dramatic retreat of the Fox Glacier in Westland over the last year — 300 metres between January 2015 and January this year. As the ice retreats, the hillside becomes unstable and collapses down into the valley. To get a sense of the scale, you can see people watching from […]

Four Revolutions in the Earth Sciences Bryan Walker Jan 28

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James Lawrence Powell is a former geology professor, college president and museum director. He is currently the executive director of the US National Physical Science Consortium. He is also an excellent communicator of science for the general reader. I reviewed two of his climate change-related books back in 2011 here and here. His latest book, Four […]

The wrinkled retainer returns with a Peer-reviewed Peer Gareth Renowden Jan 22

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There is much ado at Tannochbrae Manor, because the Laird has once again disproved global warming. One equation is all it takes! And an article in a new Chinese science journal with some friends, and lo! Take away that inappropriate and misapplied equation, remove the unjustifiable tripling and the climate “crisis” vanishes. You couldn’t make […]

Heat: 2014 breaks global temperature records, 2015 could be hotter Gareth Renowden Jan 18

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Last year was the warmest year on record for the planet, analyses by NASA and NOAA show, and it’s possible that 2015 could be warmer still. 2014 was warmer than previous record holders 2005 and 2010, and comfortably ahead of 1998. 13 of the hottest 15 years on record have all occurred since 2000. Remarkably, […]

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