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RealClimate: Spencer’s Shenanigans: Part II RealClimate: We previously highlighted Roy Spencer's poor practices in comparing models with observations, but we've now dug down a little deeper, and it's not pretty. A few weeks ago, the email excha...

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1 week ago 6 2 0 0
RealClimate: Spencer’s Shenanigans: Part II RealClimate: We previously highlighted Roy Spencer's poor practices in comparing models with observations, but we've now dug down a little deeper, and it's not pretty. A few weeks ago, the email excha...

RealClimate: Spencer’s Shenanigans: Part II www.realclimate.org/index.php/ar...

1 week ago 1 1 0 0
RealClimate: The Puzzling Pleistocene RealClimate: The mystery of why the last million or so years of glacial variability are so different to what came before just got more mysterious... It's easy to understand why the ice ages have such ...

RealClimate: The Puzzling Pleistocene www.realclimate.org/index.php/ar...

3 weeks ago 6 4 0 0
RealClimate: How robust is our accelerometer? RealClimate: A new analysis of historical temperatures suggests that things are getting warmer faster, but what does it mean for the future?

RealClimate: How robust is our accelerometer? www.realclimate.org/index.php/ar...

1 month ago 12 6 0 1
RealClimate: EPA’s final* ruling on CO2 RealClimate: The EPA has announced its final* ruling on the CO2 Endangerment Finding. *not even close to final. Notably, they have completely abandoned any reliance on the DOE's CWG report. The EPA is...

RealClimate: EPA’s final* ruling on CO2 www.realclimate.org/index.php/ar...

1 month ago 5 4 0 0
RealClimate: The Climate Science reference they don’t want Judges to read RealClimate: For the first time, the Federal Judicial Center (FJC) commissioned a chapter on climate science for the manual they put out (with the NASEM) for judges, the Reference on Scientific Eviden...

RealClimate: The Climate Science reference they don’t want Judges to read www.realclimate.org/index.php/ar...

2 months ago 15 10 0 2
RealClimate: Koonin’s Continuing Calumnies RealClimate: At a public event debating the DOE CWG report, Steve Koonin embarrasses himself further. This week there was a bit of a peculiar event at the Civitas Institute at Texas A&M, with three of...

RealClimate: Koonin’s Continuing Calumnies www.realclimate.org/index.php/ar...

2 months ago 2 0 0 1
RealClimate: 2025 Updates RealClimate: Our various graphics and model-observation comparisons have been updated with 2025 data. There are a few version updates that make some difference (particularly in sea ice extent), but th...

RealClimate: 2025 Updates www.realclimate.org/index.php/ar...

2 months ago 4 0 0 0
RealClimate: A peek behind the curtain… RealClimate: New email releases from the EDF/UCS lawsuit against the DOE provide a rarely-seen behind the curtain look at how the climate contrarians work. The new releases of non-governmental emails ...

RealClimate: A peek behind the curtain… www.realclimate.org/index.php/ar...

2 months ago 11 4 1 2
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RealClimate: AI/ML climate magic? RealClimate: There has been a frenzy around artificial intelligence and deep machine learning (AI/ML) since the “ChatGPT Moment” in 2022, and AI/ML is for sure going to affect us all. It strikes me th...

RealClimate: AI/ML climate magic? www.realclimate.org/index.php/ar...

3 months ago 3 1 0 0
RealClimate: 1.5ºC and all that RealClimate: The Paris Agreement temperature limits are a little ambiguous and knowing where we are is tricky. The desire to keep global temperature rises since the pre-industrial, ideally below 1.5ºC...

RealClimate: 1.5ºC and all that www.realclimate.org/index.php/ar...

3 months ago 20 9 0 0
RealClimate: Who should pay? RealClimate: Climate risk scores on real estate listings are having an impact on prices and realtors are complaining. But who should pay for these losses? If you have been browsing Zillow or Redfin in...

RealClimate: Who should pay? www.realclimate.org/index.php/ar...

4 months ago 4 1 0 0
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RealClimate: Time and Tide Gauges wait for no Voortman RealClimate: Here we go again. An obscure, methodologically poor, paper published with little to no review makes a convenient point and gets elevated into supposedly 'blockbusting' science by the merc...

RealClimate: Time and Tide Gauges wait for no Voortman www.realclimate.org/index.php/ar...

6 months ago 7 1 0 0
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RealClimate: Lil’ NAS Express RealClimate: The fast-tracked update of the 2009 EPA Endangerment finding from the National Academies for Science, Engineering and Mathematics (NASEM), has now been released. Unsurprisingly, it has co...

RealClimate: Lil’ NAS Express www.realclimate.org/index.php/ar...

6 months ago 9 4 0 0
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RealClimate: DOE CWG Report “Moot”? RealClimate: Somewhat breaking news. A court filing (from 9/4) from DOE has noted that the Climate Working Group has been disbanded (as of 9/3). This was done to make the EDF/UCS lawsuit moot, but it ...

RealClimate: DOE CWG Report “Moot”? www.realclimate.org/index.php/ar...

7 months ago 2 1 0 0
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RealClimate: Critique of Chapter 6 “Extreme Weather” in the DOE review RealClimate: Guest commentary by Kerry Emanuel Executive Summary Chapter 6 of the draft DOE report examines whether global warming exacerbates extreme weather. It rightly notes that because events suc...

RealClimate: Critique of Chapter 6 “Extreme Weather” in the DOE review www.realclimate.org/index.php/ar...

7 months ago 20 8 0 0
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RealClimate: Climate Scientists response to DOE report RealClimate: As we've mentioned, Andrew Dessler and Robert Kopp have been coordinating a scientific peer review of the DOW 'CWG' Critique of Climate Science. It is now out. The comments are available ...

RealClimate: Climate Scientists response to DOE report www.realclimate.org/index.php/ar...

7 months ago 18 10 0 1
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RealClimate: Critiques of the ‘Critical Review’ RealClimate: The first somewhat comprehensive reviews of the DOE critical review are now coming online. First out of the gate is a nice interactive from CarbonBrief based on direct input from scientis...

RealClimate: Critiques of the ‘Critical Review’ www.realclimate.org/index.php/ar...

7 months ago 5 2 0 1
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RealClimate: Are direct water vapor emissions endangering anyone? RealClimate: In the EPA EF reconsideration document there is a section on p62 where they attempt to make the argument that the CO2 endangerment finding would also apply to direct water vapor emissions...

RealClimate: Are direct water vapor emissions endangering anyone? www.realclimate.org/index.php/ar...

8 months ago 15 8 0 0
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RealClimate: The Endangerment of the Endangerment Finding? RealClimate: The EPA, along with the "Climate Working Group" (CWG) of usual suspects (plus Judith Curry and Ross McKitrick) at DOE, have just put out a document for public comment their attempt to res...

RealClimate: The Endangerment of the Endangerment Finding? www.realclimate.org/index.php/ar...

8 months ago 3 2 0 0
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RealClimate: Ocean circulation going South? RealClimate: Some intriguing new measurements of salinity in the oceans around Antarctica have set off reams of sensationalist speculations. Maybe some context is helpful... What we've been seeing The...

RealClimate: Ocean circulation going South? www.realclimate.org/index.php/ar...

8 months ago 8 2 0 0
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RealClimate: Melange à Trois RealClimate: In honor of the revelation today, that Koonin, Christy and Spencer have been made Special Government Employees at the Dept. of Energy, we present a quick round up of our commentary on the...

RealClimate: Melange à Trois www.realclimate.org/index.php/ar...

9 months ago 5 3 0 0
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RealClimate: Predicted Arctic sea ice trends over time RealClimate: Over multiple generations of CMIP models Arctic sea ice trend predictions have gone from much too stable to about right. Why? The diagnostics highlighted in our model-observations compari...

RealClimate: Predicted Arctic sea ice trends over time www.realclimate.org/index.php/ar...

10 months ago 4 1 0 0
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RealClimate: The most recent climate status RealClimate: The Arctic Council’s Arctic Monitoring and assessment Programme (AMAP) recently released a Summary for PolicyMakers’ Arctic Climate Change Update 2024. It is one of several stock taking e...

RealClimate: The most recent climate status www.realclimate.org/index.php/ar...

10 months ago 2 0 0 0
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RealClimate: WMO: Update on 2023/4 Anomalies RealClimate: The WMO released its (now) annual state of the climate report this week. As well as the (now) standard set of graphs related to increasing greenhouse gas concentrations, rising temperatur...

RealClimate: WMO: Update on 2023/4 Anomalies www.realclimate.org/index.php/ar...

10 months ago 1 1 0 0
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RealClimate: Andean glaciers have shrunk more than ever before in the entire Holocene RealClimate: Glaciers are important indicators of climate change. A recent study published in the leading journal Science shows that glaciers in the tropical Andes have now retreated further than at a...

RealClimate: Andean glaciers have shrunk more than ever before in the entire Holocene www.realclimate.org/index.php/ar...

1 year ago 31 18 0 0
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RealClimate: Climate change in Africa RealClimate: [latexpage] While there have been some recent set-backs within science and climate research and disturbing news about NOAA, there is also continuing efforts on responding to climate chang...

RealClimate: Climate change in Africa www.realclimate.org/index.php/ar...

1 year ago 2 0 0 0
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RealClimate: We need NOAA now more than ever RealClimate: Guest commentary by Robert Hart, Kerry Emanuel, & Lance Bosart The National Weather Service (NWS) and its parent agency, the National Oceanic and AtmosphericAdministration (NOAA), deliver...

RealClimate: We need NOAA now more than ever www.realclimate.org/index.php/ar...

1 year ago 58 21 3 0
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RealClimate: How will media report on this new AMOC study? RealClimate: I’ve been getting a lot of media queries about a new paper on the AMOC (Atlantic Meridional Overturning Circulation), which has just been published. In my view this large media interest i...

RealClimate: How will media report on this new AMOC study? www.realclimate.org/index.php/ar...

1 year ago 40 9 3 1
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Unforced Variations: Feb 2025 This month's open thread on climate-related topics.

Unforced Variations: Feb 2025 www.realclimate.org/index.php/ar...

1 year ago 3 1 0 0