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Category: Science Notes

Some pictures of hot models
We're not given to using clickbait to attract subscribers. But here the models in question have temperature curves because they’re...
20 Nov, 2019| Science Notes

Whale the saves
The fundamental unseriousness of discussions of climate change is revealed by a story saying “whales may be able to store...
20 Nov, 2019| Science Notes

Climate Emergency Tour: Toronto Edition
The City of Toronto has embraced the climate emergency movement with great gusto, even floating the idea of new property...
13 Nov, 2019| Climate Emergency Tour

Green acres are getting greener
It's been known for years that adding CO2 to the air improves plant growth, which is not surprising since CO2...
06 Nov, 2019| Science Notes

Climate Emergency Tour: Markham Edition
A correspondent alerted us to an upcoming effort to get Markham to declare a climate emergency. It apparently not being...
06 Nov, 2019| Climate Emergency Tour

Warming isn't making hurricanes worse
Also from Pat Michaels is an op ed on the supposed link between Atlantic hurricanes and global warming. Michaels is...
30 Oct, 2019| Science Notes

Clouds ain't so cool
Some climate models say greenhouse gases cause a lot of warming and others don’t. Yet they all fit 20th century...
23 Oct, 2019| Science Notes

Warming means a greener Sahara
Global warming means the Sahara will expand, right? And that makes it a crisis, right? Wrong on both counts, says...
23 Oct, 2019| Science Notes

Don't tell Greta
Greta Thunberg thinks warm weather is a crisis. And since she’s easily upset it’s a good thing she doesn't realize...
16 Oct, 2019| Science Notes

Meanwhile in China
Via the Global Warming Policy Foundation we learn that researchers with the Chinese Academy of Sciences have analysed organic material...
16 Oct, 2019| Science Notes

Confessions of a climate scientist
Nakamura Mototaka, a Ph.D. in climatology from MIT, has worked at NASA, the Georgia Institute of Technology, Duke University and...
09 Oct, 2019| Science Notes

Cold kills yet again
The medical journal The Lancet recently published one of the largest studies ever undertaken of weather-related mortality risk. Analysis of...
09 Oct, 2019| Science Notes

Nothing to sea here
Just in time for the IPCC's special report on warming oceans and melting ice comes news that Nature magazine has...
02 Oct, 2019| Science Notes

Caution: Logic approaching
Judith Curry is a tropical meteorologist, retired chair of Earth Sciences at Georgia Tech and now head of a private...
25 Sep, 2019| Science Notes

Climate Emergency Tour: Winnipeg Edition
Alas, poor Winterpeg. Sitting there year after year waiting for a bit of lovely climate emergency to make the winters...
25 Sep, 2019| Climate Emergency Tour

Because Greenland really needs more ice
“SPECIAL REPORT: As their home melts, Greenlanders confront the fallout of climate change” shrieks NBC in a Sept. 17 email...
25 Sep, 2019| Science Notes

Cold winters and melting Arctic ice
Lately we've had brutally cold winters. Like in Sudbury, subject of this week's Climate Emergency whistle stop. And we are...
18 Sep, 2019| Science Notes

Aaaack, more winter rain
A new study taps a previously unused source of data and comes up with a definite trend in climate change:...
18 Sep, 2019| Science Notes

Climate Emergency Tour: Edmonton Edition
If you listen to its city councillors, Edmonton is facing a Climate Emergency. We prefer looking at the climate data,...
11 Sep, 2019| Climate Emergency Tour

Newsflash: Coastal areas are wet
With climate alarmism hopping from panic to panic like a polar bear on a melting ice floe, it’s useful periodically...
11 Sep, 2019| Science Notes

There's a carbon cycle?
One of Ronald Reagan’s most infamous “gaffes” was that trees produce more pollution than cars. But at least some environmentalists...
11 Sep, 2019| Science Notes

The picture of Dorian Hurricane
With Hurricane Dorian pounding Grand Bahama, those who live in Florida are being advised to brace for the impact, while...
04 Sep, 2019| Science Notes

Climate Emergency Tour: Regina Edition
Our continuing survey of the climate history of Canadian cities, made possible by the website weatherstats.ca, continues with a visit...
04 Sep, 2019| Climate Emergency Tour

It had to be
Scientific American chortles that scientists have explained why West Antarctica is losing ice. No prize for guessing: It’s “Global Warming”,...
04 Sep, 2019| Science Notes

Climate emergency tour: Montreal edition
Our tour of Canadian cities suffering the horrors of the climate emergency takes us today to Montreal PQ, where records...
28 Aug, 2019| Climate Emergency Tour

The trees talk to him
Jim Steele finds that time spent with trees is instructive as well as enjoyable. Specifically, teaching students about the history...
28 Aug, 2019| Science Notes

Climate Emergency Tour: Calgary Edition
In our continuing series on Canadian cities enduring the horrors of the climate change emergency, today's stop is Calgary. Here...
21 Aug, 2019| Climate Emergency Tour

Greenland is cooling down
No, it’s not a typo. Greenland is colder and icier now than for most of the past 10,000 years. If...
21 Aug, 2019| Science Notes

Vancouver: Where's the climate emergency?
The latest stop in our continuing tour of Canadian cities declaring a so-called Climate Emergency is Vancouver BC, where the...
31 Jul, 2019| Climate Emergency Tour

Not for all the warming in China
Cities grow, and as they do, they heat up. The so-called Urban Heat Island effect is a big problem for...
31 Jul, 2019| Science Notes

Halifax: Where are the heatwaves?
In our continuing travels through Canadian weather records based on the weatherstats.ca website, today's destination is Halifax NS. Last weekend...
24 Jul, 2019| Climate Emergency Tour

Those terrible Middle Ages
It’s remarkable how often “medieval” is used as an all-purpose insult in public discussion and popular culture. But it’s a...
24 Jul, 2019| Science Notes

When Great Lakes misbehave
One of the main reasons for our skepticism about the climate alarmist movement is their tendency to point to a...
17 Jul, 2019| Science Notes

Here comes the rain
David Leonhardt of the New York Times denounces “A flood of lies” because it rained hard in Washington, D.C. on...
17 Jul, 2019| Science Notes

Don't tell the polar bears
Last week we introduced the website weatherstats.ca from which you can easily obtain long term charts of all kinds of...
10 Jul, 2019| Science Notes

Extreme cold deadlier than extreme heat
In anticipation of the inevitable headlines reacting in astonishment to the inevitable summertime heatwaves as if we never used to...
10 Jul, 2019| Science Notes

CO2 hurts plants
One of the stranger attempted refutations of climate skepticism hurled at us recently (on Facebook) was a 2018 Harvard study...
10 Jul, 2019| Science Notes

Some truly man-made warming
The Climate Research Unit or CRU at the University of East Anglia is one of a few places where weather...
03 Jul, 2019| Science Notes

Heatwaves then and now
Via a CDN correspondent we recently learned of the remarkable website weatherstats.ca. It lets you see today's temperature across the...
03 Jul, 2019| Climate Emergency Tour

How many degrees have you got?
No, it’s not one of those sneers directed only at skeptics, while lawyers, restaurant managers and political scientists pontificate about...
03 Jul, 2019| Science Notes

A burning question
Are forest fires getting bigger or more numerous due to climate change? We'd be doing what we criticize others for...
26 Jun, 2019| Science Notes

Hurricanes will get worse, or not
The IPCC and others have long pointed out that the number of hurricanes making landfall has not been trending upwards....
26 Jun, 2019| Science Notes

Speaking of predictions
The Weather Channel has updated its summer forecast for Canada. Why? Because for some reason the year that should be...
26 Jun, 2019| Science Notes

Photoshop drowned my island
Time magazine recently showed UN chief Antonio Guterres on Tuvalu with the water photoshopped rising up to his shoulders to...
19 Jun, 2019| Science Notes

So now it's drought
On the Scientific American blog, Kate Marvel invokes the California drought that ended to argue that the drought won’t end...
19 Jun, 2019| Science Notes

Snow in the Arctic?
Isn't the Arctic supposed to be melting? Maybe inside computer models. But according to Environment Canada, out there in the...
12 Jun, 2019| Science Notes

Even when the Arctic is melting...
There are various ways to characterize changes in Arctic sea ice over time. Including the alarmist’s simple case of vanishing...
12 Jun, 2019| Science Notes

Why climate change is scary
Well for one thing there are Dansgaard-Oeschger events, or D-O for short. Although oh-oh might be more appropriate. Those skeptical...
12 Jun, 2019| Science Notes

Floods: the new same old
In its 2012 report on extreme weather the Intergovernmental Panel on Climate Change concluded that there was little evidence of...
05 Jun, 2019| Science Notes

Rainstorms, eh?
With this spring's flood events inspiring politicians across the spectrum mindlessly to invoke climate change, it is worth pointing out...
05 Jun, 2019| Science Notes

Hooray, uncertainty
For some reason Donald Rumsfeld took a lot of heat back in 2002 for warning about the danger of things...
05 Jun, 2019| Science Notes

An air of denial
The “ground zero” of greenhouse-gas-induced warming is not as you might suppose on the ground. All the climate models say...
29 May, 2019| Science Notes

Urbanization affects thermometers
Common sense tells you that cities are hotter than the surrounding countryside because asphalt and cement absorb heat and machinery...
29 May, 2019| Science Notes

Here come the tigers
Climate alarmism may have jumped the shark, or land-based equivalent, with the new claim in Newsweek, by an Oxford University...
29 May, 2019| Science Notes

Satellite vs satellite
Atmospheric temperature data from weather satellites has long been a thorn in the side of alarmists because it tends to...
22 May, 2019| Science Notes

Speaking of data...
Roy Spencer has more trouble for the alarmists this week. A few recent reports (like the recent Environment Canada State...
22 May, 2019| Science Notes

Remember global warming?
It might seem like an odd question since nobody seems willing to shut up about it. Some say there’s been...
22 May, 2019| Science Notes

Antarctica didn't get the memo
Global warming means polar ice caps melting which means sea levels rising which means ... well let's back up a...
15 May, 2019| Science Notes

The megadrought of 1876-78
Yes, there were droughts before SUV's were invented. And they led to famines too, because the world was poorer then...
15 May, 2019| Science Notes

The coral see
Instead of the impact of climate on corals it’s time, thanks to some Australian scientists, for the impact of corals...
15 May, 2019| Science Notes

Earth got blobs
Scientists using innovative techniques are making surprising discoveries. Which might seem a humdrum statement, including on a story about learning...
08 May, 2019| Science Notes

A flood of conjecture
It is Spring, which means rain and inevitably, in some places, floods. And naturally the alarmists are out in force...
08 May, 2019| Science Notes

Storm (lack of) warning
In keeping with the sound methodology of looking at the big picture, a recent paper from the Global Warming Policy...
08 May, 2019| Science Notes

Cyclones don't surge
Spare a thought for Mozambique, recently hit by a second cyclone in two months. News coverage has been relatively restrained,...
01 May, 2019| Science Notes

2,000 Years Under the Sea
There is much talk about the temperature record going back a great many years. But of course we can’t stick...
01 May, 2019| Science Notes

Cooking the thermometer
It's healthy for scientists to debate evidence as well as logic. And despite people hissing “shut up” at climate skeptics,...
01 May, 2019| Science Notes

When we get the new computers
A lot of people believe that inadequacies in modeling weather and climate are due to the fact that the computers...
24 Apr, 2019| Science Notes

Fueling their anger
If it isn’t polar bears disappearing, it’s forest fires rampaging. Canada’s environment minister keeps citing a fictitious increase in them...
24 Apr, 2019| Science Notes

Because we never used to have wildfires
Tony Heller’s website realclimatescience.com specializes in finding historical newspaper entries and climate records that debunk claims that current events are...
24 Apr, 2019| Science Notes

Not-so-adorable polar bears
As we mentioned briefly last week, a documentary on Netflix claimed some Siberian walruses fell to their deaths off a...
17 Apr, 2019| Science Notes

Wait, greening?
Amidst news that Canada warmed 1.7 degrees since 1948 we might also note that the country has gotten better off...
17 Apr, 2019| Science Notes

Warmest ever, except for all the others
Between the Netflix walrus scam and the Environment Canada report about relatively rapid warming in northern Canada, it is important...
17 Apr, 2019| Science Notes

Frogs and fake news
As noted elsewhere in this newsletter, when warming brings good things no one will mention it. But if a study...
10 Apr, 2019| Science Notes

The only thing worse than warming
Via CO2science we learn of a new study (or rather another new study, there being many earlier ones making the...
10 Apr, 2019| Science Notes

The strong weak sun
A new study in the Proceedings of the National Academy of Sciences finds a surprisingly strong solar influence on wind...
10 Apr, 2019| Science Notes

The 3rd horseman falls off his mount
Ukraine is the latest place to report a record harvest despite predictions of climate-driven drought, blight, pests and even “toxic...
03 Apr, 2019| Science Notes

Clouding the picture
If we were to rank the emptiest slogans in the climate debate, "It's just basic physics" would be near the...
03 Apr, 2019| Science Notes

Shocked by ice
One of Greenland's largest glaciers, Jakobshavn, has long been a poster child of global warming alarmism because of its rapid...
03 Apr, 2019| Science Notes

Even cornier
Harvard researchers, Science Daily reports, suggest the boom in corn production in the United States since the mid-20th century may owe...
27 Mar, 2019| Science Notes

Reef knot
In 2014, the United Nations Intergovernmental Panel on Climate Change took a measured position on coral reefs: “Coral cover and...
27 Mar, 2019| Science Notes

What little we know
Journalist Marjin Poels, whose iconoclastic film on climate change, "The Uncertainty has Settled" caused a great stir in Europe, recently...
20 Mar, 2019| Science Notes

All that glitters
A study in Nature Climate Change, ostensibly celebrating the 40th anniversary of weather satellites, claimed that the influence of CO2...
20 Mar, 2019| Science Notes

Common sense on the cob
Alarmist forecasts of declining crop yields under global warming depend on the assumption that farmers will be too dumb to...
20 Mar, 2019| Science Notes

Tell the one about the fiery bogeyman again
Biologist Jim Steele denounces “scary campfire story” climate alarmism from the perspective of someone who spent a lifetime protecting ecosystems...
13 Mar, 2019| Science Notes

The last ice floe?
It is too often taken for granted in discussions of climate that Arctic sea and Antarctic land ice are rapidly...
13 Mar, 2019| Science Notes

Hot and bothered
Climate change does seem to be causing anxiety; apparently over a third of millennials worry that human children are bad...
13 Mar, 2019| Science Notes

Global warming saves lives
It’s a bumper sticker you’re not likely to see. But there is a scientific basis for it, unlike glib claims...
06 Mar, 2019| Science Notes

Atoll tales about sea level rise
A longstanding warning about climate change is that the seas will rise washing away small Eden-like tropical atolls especially in...
06 Mar, 2019| Science Notes

Fish story
After years of factory trawlers, drift nets, open access and lack of enforceable regulations, it turns out it’s not overfishing...
06 Mar, 2019| Science Notes

Tempest in a blog post
With everyone suddenly an expert on extreme weather, an actual scientist threatens to spoil the fun. Dr. Judith Curry, former...
27 Feb, 2019| Science Notes

Settled science: the oceans edition
Climate scientists are admitting that their measurements of ocean surface temperatures through the 20th century are far less certain than...
27 Feb, 2019| Science Notes

Brrrctic
Back when the polar bears were going extinct another reliable alarmist story was about the vanishing Arctic ice. It seems...
27 Feb, 2019| Science Notes

The end of winter 2.0
With much of the northern hemisphere buried in record snow, a new study yet again touts the end of winter...
20 Feb, 2019| Science Notes

Carbon catch and release?
The New York Times writes a classic “Time may tell” story about a Swiss firm that hopes to get carbon...
20 Feb, 2019| Science Notes

A great wind
Climate alarmists frequently claim increased extreme weather proves pernicious human impact on the environment. Even if they have to invent...
20 Feb, 2019| Science Notes

All fired up
One of the annoying habits we aim to cultivate here at CDN is that of looking stuff up. When politicians...
13 Feb, 2019| Science Notes

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