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Recent Articles

Back to Basic Climate Denial

Thomas K. Bjorklund has a post at WUWT which tells us a lot about the level of “science” at that blog. He reveals his theme early: The discussion below of the first derivative of a temperature anomaly trendline shows the…

Global Temperature Update

I keep hearing about such-and-such month being the “hottest such-and-such month on record.” October of this year, for example. For data sources like NASA and NOAA in the U.S. and HadCRU in the U.K., the time needed to do the…

Sea Level: Gridded Average

I’ve formed a gridded composite sea level estimate and I’d like to share it. It’s quite crude, but some compensation is necessary because a simple average of stations is dominated by Europe and North America, there are so many tide…

Mary Ellis Stevens, American Hero

Mary Ellis Steven is excited about meeting Greta Thunberg this Friday, at her climate strike in Charlotte, North Carolina. So excited to have the one and only @GretaThunberg join my strike this Friday! See you there, Charlotte! https://t.co/lgsrFLeOs8 — Mary…

Sea Level: Align the Aligned

A new paper by Nauels et al. concludes that even if the U.S. stays in the Paris agreement and all nations make good on their pledges, our greenhouse gas emissions by the year 2030 will be enough to guarantee at…

California Wildfire Denial

Roy Spencer has joined the chorus of those denying the link between climate change and California’s wildfire crisis. But rather than share scientific insight, Spencer inflicts on us his brand of superficial, crude thinking through his inevitable confirmation bias, which,…

Where There’s Smoke, There’s Fire

This wedding photo from California went “viral” in a visible sign of how there’s no escape from California wildfires. Recent research from Williams et al. takes a detailed look at how fire activity has changed in California. They identify trends…

A Message from Pamina

Hello all, I wanted to let you all know that later today, Tamino is undergoing surgery. It’s something that’s been scheduled for months now and while it’s nothing life-threatening, he will be laid up for a while and may not…

Climate Change Threatens the Corn Belt

While American farmers are still suffering from recent severe flooding, historically our “corn belt” has done a remarkable job increasing food production. The main reason is of course the advances of farming chemistry, genetics, and technology, but throughout the 20th…

Thank You

First, thanks to Jean-Pierre Dehottay, Koenraad Machiels, Tim Baumann, and James Vogan for kind donations to the blog. As I’ve said recently, it really makes a difference right now. We still need help (feel free to visit the donation link…

Sea Level: Eastern North America

Since Dave Burton was kind enough to remind us how great the danger of sea level rise is, I’m enjoying the recent focus on the topic. I’d like to apply my new alignment technique (including variable station weights) to several…

Sea Level Rise: Regional

I’ve decided to apply some area weighting to my sea level estimate based on my new method. I’ve just begun, and so far I have defined two regions: the east and west coasts of North America. Only when I’ve done…

Aligning Tide Gauge Stations

I’ve spoken before about my new way of aligning tide gauge stations. Maybe it’s time for me to outline some of the details, and share my program (written in R) for doing the computation. Warning: there’s math ahead. If you…

Sea Level Acceleration Denial

Dave Burton, you still don’t understand. You finally commented on this post, showing a graph of San Diego data and saying: As you can see, there’ve been >112 years of continuous measurements, and still no detectable acceleration. Not true. I…

Sea Level Acceleration

Dave Burton has visited, and commented extensively on this post. He takes exception to the sea level data I used, and suggests that sea level has been rising at a steady, unchanging rate “since the late 1920s.” To quote him:…

Global Temperature Evolution 1950 to 2018

It’s been a while since Foster & Rahmstorf (2011) took global temperature time series and removed our best estimate of the changes due to known fluctuating factors, the el Niño Southern Oscillation (ENSO), aerosols from volcanic eruptions, and variations in…

Sea Level Rise

The streets flood even without storm, rain, wind, even on a calm sunny day. It didn’t used to happen, but now the highest spring tides of the year (around October) bring flood waters, septic systems back up, waste oozes onto…

Young Girls Save the World

The lack of action about climate change by politicians, by adults, largely by old men (like me) is depressing. Truly depressing. From time to time I need some inspiration, some actual hope that the world can turn this around. We…

Climate Deniers: Long-Term Annoyance

Climate deniers Ross McKitrick and John Christy have published an article in the Journal of Hydrology which demostrates to those who know what they’re doing, that McKitrick and Christy don’t. If you really don’t know what you’re doing you might…

Climate Change: in Vino Veritas

In truly fascinating new reasearch, scientists have searched historical records to collect data about when the grape harvest began each year. Their research wasn’t published in the Journal of French Wine (I don’t know if there even is one), it…

Climate Deniers Deny Temperature Itself

There’s a lot of talk these days about global temperature, in news reports, policy discussions, and casual conversation. The global temperature under discussion is surface air temperature (SAT). It’s not the depths of the ocean — even though that’s really…

Greenland Melt

This year, Europe was hit with multiple extreme heat waves. After inflicting pain on Europeans, some of that heat sauntered over to Greenland. The result? Greenland showed greater melt this summer than ever before. But this year’s ice melt in…