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 temperatures, reducing glacier mass, etc., Zeke Hausfather and I wrote up a short synthesis on the contributions to recent temperature anomalies. … Read Full Article about WMO: Update on 2023/4 Anomalies
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Andean glaciers have shrunk more than ever before in the entire Holocene
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 any other time in the entire Holocene - which covers the whole history of human civilisation since the invention of agriculture. These findings are likely to resonate beyond the scientific community, as they … Read Full Article about Andean glaciers have shrunk more than ever before in the entire Holocene
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Unforced Variations: Apr 2025
This month's open thread for climate topics. Please try to stay focused on climate instead of generic (and tedious) political sniping. … Read Full Article about Unforced Variations: Apr 2025
Climate change in Africa
[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 change. During my travels to Mozambique and Ghana, I could sense a real appreciation for knowledge, and an … Read Full Article about Climate change in Africa
We need NOAA now more than ever
Guest commentary by Robert Hart, Kerry Emanuel, & Lance Bosart The National Weather Service (NWS) and its parent agency, the National Oceanic and AtmosphericAdministration (NOAA), delivers remarkable value to the taxpayers. This efficiency can be demonstrated by its enormous return on … Read Full Article about We need NOAA now more than ever
Unforced Variations: Mar 2025
This month's open thread on climate topics. Despite everything going on, please avoid generic political arguments - there are many other places on line for that. Impacts on climate science or actions from the layoffs in the US federal government are, however, very much on topic. … Read Full Article about Unforced Variations: Mar 2025
How will media report on this new AMOC study?
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 is perhaps due to confusing messages conveyed in the title of the paper and in press releases about it by the … Read Full Article about How will media report on this new AMOC study?
Unforced Variations: Feb 2025
This month's open thread on climate-related topics. … Read Full Article about Unforced Variations: Feb 2025
Comparison Update 2024
One more dot on the graphs for our annual model-observations comparisons updates. Given how extraordinary the last two years have been, there are a few highlights to note. … Read Full Article about Comparison Update 2024
The AMOC is slowing, it’s stable, it’s slowing, no, yes, …
There's been a bit of media whiplash on the issue of AMOC slowing lately - ranging from the AMOC being "on the brink of collapse" to it being "more stable than previously thought". AMOC, of course, refers to the Atlantic Meridional Overturning Circulation, one of the worlds major ocean circulation … Read Full Article about The AMOC is slowing, it’s stable, it’s slowing, no, yes, …
2024 Hindsight
To no-one's surprise 2024 was the warmest year on record - and by quite a clear margin. … Read Full Article about 2024 Hindsight
Unforced Variations: Jan 2025
This month's open thread on climate topics. Please remember to be substantive, respectful and vaguely on topic. Note that we'll have an update to the various observational datasets after Jan 10th, and hopefully an update to all the model-observation comparisons the week following (depending on … Read Full Article about Unforced Variations: Jan 2025