Intergovernmental Panel on Climate Change • Watts Up With That? https://wattsupwiththat.com The world's most viewed site on global warming and climate change Sun, 18 Jun 2023 23:48:19 +0000 en-US hourly 1 https://i0.wp.com/wattsupwiththat.com/wp-content/uploads/2018/05/cropped-WUWT-logo.jpg?fit=32%2C32&ssl=1 Intergovernmental Panel on Climate Change • Watts Up With That? https://wattsupwiththat.com 32 32 146051786 Grid asks factories to use less energy next winter under blackout prevention plan https://wattsupwiththat.com/2023/06/18/grid-asks-factories-to-use-less-energy-next-winter-under-blackout-prevention-plan/?utm_source=rss&utm_medium=rss&utm_campaign=grid-asks-factories-to-use-less-energy-next-winter-under-blackout-prevention-plan https://wattsupwiththat.com/2023/06/18/grid-asks-factories-to-use-less-energy-next-winter-under-blackout-prevention-plan/#comments Mon, 19 Jun 2023 05:00:00 +0000 https://wattsupwiththat.com/?p=10250431 This move is, to all intents and purposes, rationing. And the reason is quite clear – the closure of nearly all of our coal power capacity.

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]]> https://wattsupwiththat.com/2023/06/18/grid-asks-factories-to-use-less-energy-next-winter-under-blackout-prevention-plan/feed/ 223 10250431 Did Anyone Notice Today’s Climate Change School Strike? https://wattsupwiththat.com/2022/03/26/did-anyone-notice-todays-climate-school-strike/?utm_source=rss&utm_medium=rss&utm_campaign=did-anyone-notice-todays-climate-school-strike https://wattsupwiththat.com/2022/03/26/did-anyone-notice-todays-climate-school-strike/#comments Sun, 27 Mar 2022 05:00:00 +0000 https://wattsupwiththat.com/?p=10183835 Real problems, like Putin again threatening to use nuclear weapons to bolster his faltering attack on the Ukraine, are kindof sucking the oxygen from slow news day sensations like student climate change protests.

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]]> https://wattsupwiththat.com/2022/03/26/did-anyone-notice-todays-climate-school-strike/feed/ 124 10183835 CLINTEL to IPCC/COP26: AR6 Summary for Policymakers Flawed https://wattsupwiththat.com/2021/11/05/clintel-to-ipcc-cop26-ar6-summary-for-policymakers-flawed/?utm_source=rss&utm_medium=rss&utm_campaign=clintel-to-ipcc-cop26-ar6-summary-for-policymakers-flawed https://wattsupwiththat.com/2021/11/05/clintel-to-ipcc-cop26-ar6-summary-for-policymakers-flawed/#comments Fri, 05 Nov 2021 21:00:00 +0000 https://wattsupwiththat.com/?p=10165007 “We conclude that the AR6 WG1 SPM regrettably does not offer an objective scientific basis on which to base policy discussions at COP26. It also fails to highlight the positive impacts of slightly increased CO2 levels and warming on agriculture, forestry and human life on earth.”

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]]> https://wattsupwiththat.com/2021/11/05/clintel-to-ipcc-cop26-ar6-summary-for-policymakers-flawed/feed/ 101 10165007 Scientists Go After The Media For Highlighting A Study Showing IPCC Climate Models Were Wrong https://wattsupwiththat.com/2017/09/21/scientists-go-after-the-media-for-highlighting-a-study-showing-ipcc-climate-models-were-wrong/?utm_source=rss&utm_medium=rss&utm_campaign=scientists-go-after-the-media-for-highlighting-a-study-showing-ipcc-climate-models-were-wrong https://wattsupwiththat.com/2017/09/21/scientists-go-after-the-media-for-highlighting-a-study-showing-ipcc-climate-models-were-wrong/#comments Thu, 21 Sep 2017 16:00:31 +0000 https://wattsupwiththat.wordpress.com/?p=183072 From The Daily Caller Michael Bastasch 9:16 AM 09/20/2017 A climate model expert told The Washington Post there would be “extra eyes really scrutinizing” a new study claiming climate models…

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]]> https://wattsupwiththat.com/2017/09/21/scientists-go-after-the-media-for-highlighting-a-study-showing-ipcc-climate-models-were-wrong/feed/ 142 183072 A Statistical Definition of the 'Hiatus in Global Warming' using NASA GISS and MLO data https://wattsupwiththat.com/2015/04/22/a-statistical-definition-of-the-hiatus-in-global-warming-using-nasa-giss-and-mlo-data/?utm_source=rss&utm_medium=rss&utm_campaign=a-statistical-definition-of-the-hiatus-in-global-warming-using-nasa-giss-and-mlo-data https://wattsupwiththat.com/2015/04/22/a-statistical-definition-of-the-hiatus-in-global-warming-using-nasa-giss-and-mlo-data/#comments Wed, 22 Apr 2015 07:01:31 +0000 https://wattsupwiththat.wordpress.com/?p=124791 Guest essay by Danley Wolfe WUWT posted a piece I submitted last September titled ‘A look at carbon dioxide vs. global temperature’. The main point I was trying to convey…

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]]> https://wattsupwiththat.com/2015/04/22/a-statistical-definition-of-the-hiatus-in-global-warming-using-nasa-giss-and-mlo-data/feed/ 239 124791 The Lewis and Crok exposition – Climate less sensitive to Carbon Dioxide than most models suggest https://wattsupwiththat.com/2014/03/05/the-lewis-and-crok-exposition-climate-less-sensitive-to-carbon-dioxide-than-most-models-suggest/?utm_source=rss&utm_medium=rss&utm_campaign=the-lewis-and-crok-exposition-climate-less-sensitive-to-carbon-dioxide-than-most-models-suggest https://wattsupwiththat.com/2014/03/05/the-lewis-and-crok-exposition-climate-less-sensitive-to-carbon-dioxide-than-most-models-suggest/#comments Wed, 05 Mar 2014 23:54:30 +0000 http://wattsupwiththat.wordpress.com/?p=104458 Full papers plus additional comments from co-author Nic Lewis follow. I have added some relevant diagrams and tables from the report, plus reproduced the foreword by Dr. Judith Curry as…

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]]> https://wattsupwiththat.com/2014/03/05/the-lewis-and-crok-exposition-climate-less-sensitive-to-carbon-dioxide-than-most-models-suggest/feed/ 106 104458 IPCC silently slashes its global warming predictions in the AR5 final draft https://wattsupwiththat.com/2014/01/01/ipcc-silently-slashes-its-global-warming-predictions-in-the-ar5-final-draft/?utm_source=rss&utm_medium=rss&utm_campaign=ipcc-silently-slashes-its-global-warming-predictions-in-the-ar5-final-draft https://wattsupwiththat.com/2014/01/01/ipcc-silently-slashes-its-global-warming-predictions-in-the-ar5-final-draft/#comments Thu, 02 Jan 2014 01:44:46 +0000 https://wattsupwiththat.wordpress.com/?p=100268 Guest essay by Christopher Monckton of Brenchley Unnoticed, the IPCC has slashed its global-warming predictions, implicitly rejecting the models on which it once so heavily and imprudently relied. In the…

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]]> https://wattsupwiththat.com/2014/01/01/ipcc-silently-slashes-its-global-warming-predictions-in-the-ar5-final-draft/feed/ 172 100268 Many Climate Reconstructions Incorrectly Attributed to Temperature Change. https://wattsupwiththat.com/2013/12/27/many-climate-reconstructions-incorrectly-attributed-to-temperature-change/?utm_source=rss&utm_medium=rss&utm_campaign=many-climate-reconstructions-incorrectly-attributed-to-temperature-change https://wattsupwiththat.com/2013/12/27/many-climate-reconstructions-incorrectly-attributed-to-temperature-change/#comments Fri, 27 Dec 2013 23:46:41 +0000 https://wattsupwiththat.wordpress.com/?p=99965 Guest essay by Dr. Tim Ball The Intergovernmental Panel on Climate Change (IPCC) set climate research back thirty years, mostly by focusing world attention on CO2 and higher temperature. It…

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]]> https://wattsupwiththat.com/2013/12/27/many-climate-reconstructions-incorrectly-attributed-to-temperature-change/feed/ 151 99965 Oh say can you see modern sea level rise from a geological perspective? https://wattsupwiththat.com/2013/12/21/oh-say-can-you-see-modern-sea-level-rise-from-a-geological-perspective/?utm_source=rss&utm_medium=rss&utm_campaign=oh-say-can-you-see-modern-sea-level-rise-from-a-geological-perspective https://wattsupwiththat.com/2013/12/21/oh-say-can-you-see-modern-sea-level-rise-from-a-geological-perspective/#comments Sat, 21 Dec 2013 19:25:45 +0000 http://wattsupwiththat.com/?p=99686 Guest post by David Middleton Experts say the IPCC underestimated future sea level rise A new study surveys 90 sea level rise experts, who say sea level rise this century…

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]]> https://wattsupwiththat.com/2013/12/21/oh-say-can-you-see-modern-sea-level-rise-from-a-geological-perspective/feed/ 101 99686 On the Futility of Long-Range Numerical Climate Prediction https://wattsupwiththat.com/2013/12/10/on-the-futility-of-long-range-numerical-climate-prediction/?utm_source=rss&utm_medium=rss&utm_campaign=on-the-futility-of-long-range-numerical-climate-prediction https://wattsupwiththat.com/2013/12/10/on-the-futility-of-long-range-numerical-climate-prediction/#comments Tue, 10 Dec 2013 23:16:41 +0000 https://wattsupwiththat.wordpress.com/?p=98962 Note: two events at AGU13 this morning dovetail in with this essay. The first, a slide from Dr. Judith Lean which says: “There are no operational forecasts of global climate…

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]]> https://wattsupwiththat.com/2013/12/10/on-the-futility-of-long-range-numerical-climate-prediction/feed/ 261 98962 Intelligence and the hockey stick https://wattsupwiththat.com/2013/12/08/intelligence-and-the-hockey-stick/?utm_source=rss&utm_medium=rss&utm_campaign=intelligence-and-the-hockey-stick https://wattsupwiththat.com/2013/12/08/intelligence-and-the-hockey-stick/#comments Sun, 08 Dec 2013 16:14:18 +0000 https://wattsupwiththat.wordpress.com/?p=98778 Guest essay by Christopher Monckton of Brenchley In 1990, the IPCC’s First Assessment Report showed a schematic demonstrating the then understanding that the medieval warm period had been appreciably warmer…

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]]> https://wattsupwiththat.com/2013/12/08/intelligence-and-the-hockey-stick/feed/ 67 98778 IPCC's Report on Climate Change: Myths & Realities https://wattsupwiththat.com/2013/12/07/ipccs-report-on-climate-change-myths-realities/?utm_source=rss&utm_medium=rss&utm_campaign=ipccs-report-on-climate-change-myths-realities https://wattsupwiththat.com/2013/12/07/ipccs-report-on-climate-change-myths-realities/#comments Sun, 08 Dec 2013 06:39:05 +0000 https://wattsupwiththat.wordpress.com/?p=98754 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…

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]]> https://wattsupwiththat.com/2013/12/07/ipccs-report-on-climate-change-myths-realities/feed/ 51 98754 A Theory Ready for Extinction https://wattsupwiththat.com/2013/12/05/a-theory-ready-for-extinction/?utm_source=rss&utm_medium=rss&utm_campaign=a-theory-ready-for-extinction https://wattsupwiththat.com/2013/12/05/a-theory-ready-for-extinction/#comments Fri, 06 Dec 2013 03:00:34 +0000 http://wattsupwiththat.com/?p=98635 Don’t worry too much over those warmist predictions that millions of species will soon be lost to climate change. Judging by their methods it is the doomsayers who are the…

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]]> https://wattsupwiththat.com/2013/12/05/a-theory-ready-for-extinction/feed/ 75 98635 HARRIS and KHANDEKAR: Blaming the developed world for the forces of nature https://wattsupwiththat.com/2013/12/04/harris-and-khandekar-blaming-the-developed-world-for-the-forces-of-nature/?utm_source=rss&utm_medium=rss&utm_campaign=harris-and-khandekar-blaming-the-developed-world-for-the-forces-of-nature https://wattsupwiththat.com/2013/12/04/harris-and-khandekar-blaming-the-developed-world-for-the-forces-of-nature/#comments Wed, 04 Dec 2013 08:35:50 +0000 http://wattsupwiththat.com/?p=98544 By Tom Harris and Madhav Khandekar Originally published in The Washington Times Tuesday, December 3, 2013 Bad science puts rich nations on the hook for trillions in climate liabilities Delegates…

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]]> https://wattsupwiththat.com/2013/12/04/harris-and-khandekar-blaming-the-developed-world-for-the-forces-of-nature/feed/ 100 98544 WG1 co-chair Thomas Stocker abandons IPCC principles https://wattsupwiththat.com/2013/12/03/wg1-co-chair-thomas-stocker-abandons-ipcc-principles/?utm_source=rss&utm_medium=rss&utm_campaign=wg1-co-chair-thomas-stocker-abandons-ipcc-principles https://wattsupwiththat.com/2013/12/03/wg1-co-chair-thomas-stocker-abandons-ipcc-principles/#comments Tue, 03 Dec 2013 17:46:44 +0000 https://wattsupwiththat.wordpress.com/?p=98484 Thomas Stocker, the co-chair of IPCC WG1, has been discussed previously on this blog. On 26th November he gave a talk at Imperial College on the messages from the AR5…

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]]> https://wattsupwiththat.com/2013/12/03/wg1-co-chair-thomas-stocker-abandons-ipcc-principles/feed/ 36 98484 Mail wars: Heartland -vs- the AMS https://wattsupwiththat.com/2013/12/02/mail-wars-heartland-vs-the-ams/?utm_source=rss&utm_medium=rss&utm_campaign=mail-wars-heartland-vs-the-ams https://wattsupwiththat.com/2013/12/02/mail-wars-heartland-vs-the-ams/#comments Mon, 02 Dec 2013 17:35:21 +0000 http://wattsupwiththat.com/?p=98440 There is a bit of a row that has developed over the recent American Meteorological Society survey of its membership on cause of climate change that gave a surprising result…

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]]> https://wattsupwiththat.com/2013/12/02/mail-wars-heartland-vs-the-ams/feed/ 90 98440 The Important Difference between Climatology and Climate Science https://wattsupwiththat.com/2013/11/29/the-important-difference-between-climatology-and-climate-science/?utm_source=rss&utm_medium=rss&utm_campaign=the-important-difference-between-climatology-and-climate-science https://wattsupwiththat.com/2013/11/29/the-important-difference-between-climatology-and-climate-science/#comments Fri, 29 Nov 2013 11:00:19 +0000 https://wattsupwiththat.wordpress.com/?p=98324 Why did the Royal Society need secret meetings? Guest essay by Dr. Tim Ball Recent events underscore problems with understanding climate and how the Intergovernmental Panel on Climate Change (IPCC)…

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]]> https://wattsupwiththat.com/2013/11/29/the-important-difference-between-climatology-and-climate-science/feed/ 207 98324 New paper: climate models short on 'physics required for realistic simulation of the Earth system' https://wattsupwiththat.com/2013/11/28/new-paper-climate-models-short-on-physics-required-for-realistic-simulation-of-the-earth-system/?utm_source=rss&utm_medium=rss&utm_campaign=new-paper-climate-models-short-on-physics-required-for-realistic-simulation-of-the-earth-system https://wattsupwiththat.com/2013/11/28/new-paper-climate-models-short-on-physics-required-for-realistic-simulation-of-the-earth-system/#comments Thu, 28 Nov 2013 16:31:40 +0000 https://wattsupwiththat.wordpress.com/?p=97987 I’m pleased to have had a chance to to review this new paper just published in the Journal of Climate: An Evaluation of Decadal Probability Forecasts from State-of-the-Art Climate Models…

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]]> https://wattsupwiththat.com/2013/11/28/new-paper-climate-models-short-on-physics-required-for-realistic-simulation-of-the-earth-system/feed/ 46 97987 World agricultural output continues to rise, despite dire predictions of decline https://wattsupwiththat.com/2013/11/26/world-agricultural-output-continues-to-rise-despite-dire-predictions-of-decline/?utm_source=rss&utm_medium=rss&utm_campaign=world-agricultural-output-continues-to-rise-despite-dire-predictions-of-decline https://wattsupwiththat.com/2013/11/26/world-agricultural-output-continues-to-rise-despite-dire-predictions-of-decline/#comments Wed, 27 Nov 2013 04:12:29 +0000 https://wattsupwiththat.wordpress.com/?p=98196 Guest essay by Steve Goreham Originally published in The Washington Times The year 2013 has been a great year for global agriculture. Record world production of rice and healthy production…

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]]> https://wattsupwiththat.com/2013/11/26/world-agricultural-output-continues-to-rise-despite-dire-predictions-of-decline/feed/ 94 98196 The 'worse than we thought' model https://wattsupwiththat.com/2013/11/25/the-worse-than-we-thought-model/?utm_source=rss&utm_medium=rss&utm_campaign=the-worse-than-we-thought-model https://wattsupwiththat.com/2013/11/25/the-worse-than-we-thought-model/#comments Tue, 26 Nov 2013 01:02:19 +0000 http://wattsupwiththat.com/?p=98137 From ETH Zurich: Underestimated future climate change? 25.11.2013 | Fabio Bergamin New model calculations by ETH researcher Thomas Frölicher show that global warming may continue after a stoppage of CO…

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]]> https://wattsupwiththat.com/2013/11/25/the-worse-than-we-thought-model/feed/ 108 98137