The detection and the attribution of climate change are based on fundamentally different frameworks and shouldn't be conflated. We read about and use the phrase 'detection and attribution' of climate change so often that it seems like it's just one word 'detectionandattribution' and that might lead some to think that it is just one concept. But it's not. … Read Full Article about Watching the detections
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A CERES of fortunate events…
[latexpage] The CERES estimates of the top-of-atmosphere radiative fluxes are available from 2001 to the present. That is long enough to see that there has been a noticeable trend in the Earth's Energy Imbalance (EEI), mostly driven by a reduction in the solar radiation reflected by the planet, while the outgoing long wave radiation does not appear to contribute much. But what can be causing … Read Full Article about A CERES of fortunate events…
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Unforced variations: Sep 2022
This month's open thread on climate topics. Check out the new State of the Climate in 2021 report from NOAA and BAMS. A blast from the past, though yamal-age may vary... As always, please stay civil, on topic, and limit comments to one a day. … Read Full Article about Unforced variations: Sep 2022
Climate impacts of the #IRA
With the signing of the Inflation Reduction Act (IRA) on Tuesday Aug 16, the most significant climate legislation in US federal history (so far) became law. Despite the odd name (and greatly overused TLA), the IRA contains a huge number of elements, totalling roughly $350 billion of … Read Full Article about Climate impacts of the #IRA
Unforced variations: Aug 2022
This month's open thread on climate-related topics. Please be substantive, one comment per person per day, no bickering. … Read Full Article about Unforced variations: Aug 2022
The CO2 problem in six easy steps (2022 Update)
One of our most-read old posts is the step-by-step explanation for why increasing CO2 is a significant problem (The CO2 problem in 6 easy steps). However, that was written in 2007 - 15 years ago! While the basic steps and concepts have not changed, there's 15 years of more data, updates in some of … Read Full Article about The CO2 problem in six easy steps (2022 Update)
Unforced Variations: July 2022
This month's open thread. Please keep to climate-related issues, stay substantive, no abuse, no repetition, one-comment per day. … Read Full Article about Unforced Variations: July 2022
Overselling k-scale? Hmm
Some of the authors of a recent commentary on k-scale modeling respond to RealClimate. … Read Full Article about Overselling k-scale? Hmm
Mmm-k scale climate models
What's good (and what's not quite ready) about plans for 'k-scale' climate modeling? … Read Full Article about Mmm-k scale climate models
Unforced variations: June 2022
This month's open thread. New commenting rules (as described last month) remain in effect. Basically, be substantive, one comment a day, remain polite. … Read Full Article about Unforced variations: June 2022
Unforced Variations: May 2022
Sorry for delay posting this month, but we've been considering how (or if) to go forward with open threads and comments. Looking at the multitude of constructive comments on the "End of blog comments" thread, it's clear that many people appreciate the possibility of comments here, but that too often … Read Full Article about Unforced Variations: May 2022
River Ice break-up trends 2022
As in previous years, the spring break-up of river ice on the Tanana River at Nenana and the Yukon River at Dawson City in Canada (new! h/t Ed Wiebe), is a great opportunity to highlight phenology that indicates that the planet is in fact reacting to the ongoing global warming. As we've done in … Read Full Article about River Ice break-up trends 2022