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Recent Articles

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…

Methane Acceleration

A recent paper by Nisbet et al. notes that methane (CH4) in the atmosphere isn’t just increasing, it’s accelerating; the increase has gotten faster recently. There was a time — from about 1999 until 2007 — when atmospheric methane wasn’t…

Global Warming: How Fast?

Here’s the annual average temperature for the planet Earth, from 1880 to now, according to data from NASA: [Technical note: NASA reports temperature anomaly: the difference between temperature and its value during a “baseline” period which they chose as 1951-1980.…

Thank you, Shuri

I love science. So do a lot of people. Some of them aren’t old white men like me. In fact, a lot of them — and more now than ever before — are young, or African or Asian or native…

Bet the Farm on Climate

Farmers know that weather is crucial, and unpredictable. That’s one of the reasons we’ve studied it so much, keeping detailed weather data throughout the United States for well over a century. Just an example: back in the year 1895, the…