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 investment, in climate solutions over the next ten years. This is an historic effort though it falls short of … Read Full Article about Climate impacts of the #IRA
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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 the details and concepts, and (it turns out) better graphics to accompany the text. And so, here is a … Read Full Article about The CO2 problem in six easy steps (2022 Update)
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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
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
Digital Twinge
A couple of weeks ago the EU announced that they were funding a project called DestinE (Destination Earth) to build 'digital twins' of the Earth System to support policy making and rapid reaction to weather and climate events. While the term 'digitial twin' has a long history in the engineering … Read Full Article about Digital Twinge
The modern demarcation problem
Defining (and enforcing) a clear line between information and mis-information is impossible, but that doesn't mean misinformation doesn't exist or that there is nothing to be done to combat it. I found myself caught in an 'interesting' set of exchanges on twitter a few weeks ago (I won't link to … Read Full Article about The modern demarcation problem
Issues and Errors in a new Scafetta paper
Earlier this week, a new paper appeared in GRL by Nicola Scafetta which purported to conclude that the CMIP6 models with medium or high climate sensitivity (higher than 3ºC) were not consistent with recent historical temperature changes. Since there have been a number of papers already on this … Read Full Article about Issues and Errors in a new Scafetta paper