Crossing (or not) the 1.5 and 2.0C Thresholds

The bottom line is that uncertainty in global temperature projections to 2050 is skewed towards lower values, as uncertainty in near term scenarios of emissions is decreasing.

Weekly Climate and Energy News Roundup #487

“You can fool all the people some of the time and some of the people all the time, but you cannot fool all the people all the time.” – Attributed…

The new historical flood of 2021 in the Amazon River compared to major floods of the 21st century: Atmospheric features in the context of the intensification of floods

As documented in the previous major floods of the 21st century (2009 and 2012), the 2021 flood also occurs under La Niña conditions in the central equatorial Pacific; however, in 2012 flood…

Weekly Climate and Energy News Roundup #484

The Week That Was: 2021-12-18 (December 18, 2021)Brought to You by SEPP (www.SEPP.org)The Science and Environmental Policy Project Quote of the Week: “The brightest flashes in the world of thought…

Interview: Climate Change – A Different Perspective with Judith Curry: Part II

If I’m right about natural variability having sort of a cooling effect in the coming decades, this will be the one piece of evidence that people will have to pay…

Media Promotes Badly Flawed Science Spreading It Like Wildfire

Despite the bad science a multitude of media outlets like NY Times and CNN falsely promoted the paper as evidence that climate change cause more wildfires

Weekly Climate and Energy News Roundup #480

“There is nothing more frightening than ignorance in action.” – Johann Wolfgang von Goethe [H

Swiss Analysis: Climate Models Running Too Warm, Falsely Calibrated…IPCC Needs “To Review Its Findings”

“The warming of the last 20 years has been caused more by changes in clouds than by the classical greenhouse effect,” say study authors Fritz Vahrenholt and Hans-Rolf Dübal

Weekly Climate and Energy News Roundup #476

“The first principle is that you must not fool yourself and you are the easiest person to fool. …” – Richard Feynman

Radiative energy flux variations from 2000 – 2020

The time span of 20 years is still too short to be able to decide conclusively whether the current heating phase is a temporary or permanent development. In the former…

On Comparing 30-Year “Climate Normals”

What is normal weather? One doesn’t spend much time learning about climatology before coming across a marvelous sound bite: “Climate is what you expect, weather is what you get.” The…

Weekly Climate and Energy News Roundup #463

“Nobody understands quantum mechanics.” – Richard Feynman

Claim: Machine Learning can Detect Anthropogenic Climate Change

According to the big computer we are doomed to suffer ever more damaging weather extremes. But researchers can’t tell us exactly why, because their black box neural net won’t explain…

Was 2020 a Record-Breaking Hurricane Season? Yes, But. . .

So why would the record for named storms be broken in 2020, while the overall activity as measured by ACE is not even be close to setting a record? The…

Weekly Climate and Energy News Roundup #459

“It is one thing to impose drastic measures and harsh economic penalties when an environmental problem is clear-cut and severe. It is quite another to do so when the environmental…

Fact Checking the Fact Checkers

This is a re-post from the CO2 Coalition, here. Re-posted with permission. [Ed. Note] The number of opinion pieces disguised as “Fact Checks,” and the use of them to censor…

The 2021 Hurricane Season Has Begun

The extremely active 2020 Atlantic hurricane season burned through the alphabet with 30 named storms including 14 Hurricanes and 7 Majors. The two seasonal hurricane forecasts that I trust the…

Weekly Climate and Energy News Roundup #456

“…increasing the concentration of an absorbent gas does not always produce a proportional increase in heat uptake, because there is progressively less [heat energy] to be absorbed. — From “Tyndall’s…

Weekly Climate and Energy News Roundup #455

“Net zero is a new word for indulgences to emit CO2. When will a modern Martin Luther nail truth to the door of the cathedral of green religion?”

A Review of Temperature Reconstructions

By Andy May This is an update to a 2016 post; the original post is here. We often hear that the planet is warming faster than ever before, or at…

A Request For Peer Preview

Guest Post by Willis Eschenbach Well, for my sins I’ve been working on a paper with the hope of getting it published in a journal. Now that it’s nearly done,…

The anatomy of past abrupt warmings recorded in Greenland ice

Data availability and temporal resolution make it challenging to unravel the anatomy (duration and temporal phasing) of the Last Glacial abrupt climate changes. Here, we address these limitations by investigating…

Weekly Climate And Energy News Roundup #450

“Arrogance comes in a variety of forms. The arrogance of great wealth, the arrogance of great power, the arrogance of great beauty, and the arrogance of a great master are…

Adding It Up

Guest Post by Willis Eschenbach A comment on my previous post got me to thinking about cumulative sums of a series of numbers. In a “cumulative sum”, we start with…

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