Don Haas (formerly Don Duggan-Haas)
@drdonhaas.bsky.social
Director of Teacher Programming, The Center for Climate Change Education at PRI
Co-author of The Teacher-Friendly Guide to Climate Change
Deputizer of climate communicators
Thinks we should talk more about fire
https://climate.earthathome.org/
Co-author of The Teacher-Friendly Guide to Climate Change
Deputizer of climate communicators
Thinks we should talk more about fire
https://climate.earthathome.org/
Trick or treaters at my house will get to choose candy or fossil seashells.
October 31, 2025 at 10:17 PM
Trick or treaters at my house will get to choose candy or fossil seashells.
GSA peeps! Join me tomorrow at 2:05 in 301B! gsameetings.secure-platform.com/connects25/s...
October 21, 2025 at 2:54 PM
GSA peeps! Join me tomorrow at 2:05 in 301B! gsameetings.secure-platform.com/connects25/s...
It hurts my brain to listen to this. The entirety of China's economy is about $19 trillion. They all lie so easily, and many people don't grasp scale, so they buy it. The GIF is from a talk I give where I ask people to place a mark for a billion between zero and a trillion. The response is typical.
October 17, 2025 at 2:59 PM
It hurts my brain to listen to this. The entirety of China's economy is about $19 trillion. They all lie so easily, and many people don't grasp scale, so they buy it. The GIF is from a talk I give where I ask people to place a mark for a billion between zero and a trillion. The response is typical.
@buzbarstow.bsky.social will be joining us for the third annual STANYS/PRI Institute: Finding Climate Change Solutions From Across the Sciences! #STANYS #scienceteachers
www.stanysconference.org/special-even...
www.stanysconference.org/special-even...
October 1, 2025 at 1:35 PM
@buzbarstow.bsky.social will be joining us for the third annual STANYS/PRI Institute: Finding Climate Change Solutions From Across the Sciences! #STANYS #scienceteachers
www.stanysconference.org/special-even...
www.stanysconference.org/special-even...
It’s so sad and so maddening how this remains so relevant.
Fire RFK Jr.
Fire RFK Jr.
September 5, 2025 at 2:13 PM
It’s so sad and so maddening how this remains so relevant.
Fire RFK Jr.
Fire RFK Jr.
It’s been the word of the day in Western New York long enough!
August 7, 2025 at 12:55 AM
It’s been the word of the day in Western New York long enough!
They look like Daphne & Velma!
June 22, 2025 at 6:25 PM
They look like Daphne & Velma!
They look like Daphne and Velma!
June 22, 2025 at 6:23 PM
They look like Daphne and Velma!
Unfortunately, this blog post from a couple of years ago is relevant again. The red dot in the picture is the sun. I took the pic last night in Buffalo, NY. www.priweb.org/blog-post/sm...
June 3, 2025 at 6:56 PM
Unfortunately, this blog post from a couple of years ago is relevant again. The red dot in the picture is the sun. I took the pic last night in Buffalo, NY. www.priweb.org/blog-post/sm...
Which recent New York State Regents Examinations are most likely to include extensive climate change content? Join us for the NY Cohort for the 2025 Teach Climate Network Summer Institute Sneak Peek! Info: docs.google.com/document/d/1...
Sneak Peek Registration: cornell.zoom.us/meeting/regi...
Sneak Peek Registration: cornell.zoom.us/meeting/regi...
May 16, 2025 at 3:51 PM
Which recent New York State Regents Examinations are most likely to include extensive climate change content? Join us for the NY Cohort for the 2025 Teach Climate Network Summer Institute Sneak Peek! Info: docs.google.com/document/d/1...
Sneak Peek Registration: cornell.zoom.us/meeting/regi...
Sneak Peek Registration: cornell.zoom.us/meeting/regi...
It’s good to get into the woods. I paid a nice visit to the Eternal Flame Falls today.
en.wikipedia.org/wiki/Eternal...
It’s good for the brain.
en.wikipedia.org/wiki/Eternal...
It’s good for the brain.
April 20, 2025 at 11:39 PM
It’s good to get into the woods. I paid a nice visit to the Eternal Flame Falls today.
en.wikipedia.org/wiki/Eternal...
It’s good for the brain.
en.wikipedia.org/wiki/Eternal...
It’s good for the brain.
It’s a little icy and a lot muddy, but it’s good to be in the woods. I’m at Amherst State Park.
March 9, 2025 at 7:23 PM
It’s a little icy and a lot muddy, but it’s good to be in the woods. I’m at Amherst State Park.
View of Earth from outside the Solar System, at a distance of about 6 billion kilometers, from the Voyager 1 spacecraft. The image was taken at the request of astronomer and educator Carl Sagan. Image by NASA (public domain).
March 4, 2025 at 3:31 PM
View of Earth from outside the Solar System, at a distance of about 6 billion kilometers, from the Voyager 1 spacecraft. The image was taken at the request of astronomer and educator Carl Sagan. Image by NASA (public domain).
A decent crowd considering the bitter cold and wind!
February 17, 2025 at 6:49 PM
A decent crowd considering the bitter cold and wind!
Why oh why is it time to post this again‽
We live in bizarre and dangerous times.
And really stupid.
We live in bizarre and dangerous times.
And really stupid.
February 13, 2025 at 10:50 PM
Why oh why is it time to post this again‽
We live in bizarre and dangerous times.
And really stupid.
We live in bizarre and dangerous times.
And really stupid.
Tonight's Science in the Virtual Pub @7pm Eastern
What Darwin Can Teach Us about Today’s Students, and Where Are We on Teaching Today’s Students about Darwin?
Dr. Jason R. Wiles, Associate Professor of Biology, Syracuse University
Register here: cornell.zoom.us/meeting/regi...
What Darwin Can Teach Us about Today’s Students, and Where Are We on Teaching Today’s Students about Darwin?
Dr. Jason R. Wiles, Associate Professor of Biology, Syracuse University
Register here: cornell.zoom.us/meeting/regi...
February 13, 2025 at 9:05 PM
Tonight's Science in the Virtual Pub @7pm Eastern
What Darwin Can Teach Us about Today’s Students, and Where Are We on Teaching Today’s Students about Darwin?
Dr. Jason R. Wiles, Associate Professor of Biology, Syracuse University
Register here: cornell.zoom.us/meeting/regi...
What Darwin Can Teach Us about Today’s Students, and Where Are We on Teaching Today’s Students about Darwin?
Dr. Jason R. Wiles, Associate Professor of Biology, Syracuse University
Register here: cornell.zoom.us/meeting/regi...
mailchi.mp/priweb.org/l...
Here's the latest edition of Learning Earth, PRI's educator newsletter!
There's a lot going on - starting with Darwin Days starting tonight in Ithaca with Science in the Virtual Pub continuing it online Thursday night!
And so much more! Read on!
And happy Darwin Day!
Here's the latest edition of Learning Earth, PRI's educator newsletter!
There's a lot going on - starting with Darwin Days starting tonight in Ithaca with Science in the Virtual Pub continuing it online Thursday night!
And so much more! Read on!
And happy Darwin Day!
February 12, 2025 at 7:53 PM
mailchi.mp/priweb.org/l...
Here's the latest edition of Learning Earth, PRI's educator newsletter!
There's a lot going on - starting with Darwin Days starting tonight in Ithaca with Science in the Virtual Pub continuing it online Thursday night!
And so much more! Read on!
And happy Darwin Day!
Here's the latest edition of Learning Earth, PRI's educator newsletter!
There's a lot going on - starting with Darwin Days starting tonight in Ithaca with Science in the Virtual Pub continuing it online Thursday night!
And so much more! Read on!
And happy Darwin Day!
The Moon and Venus are doing a thing tonight. If your skies are clear, you should go take a look.
January 3, 2025 at 10:59 PM
The Moon and Venus are doing a thing tonight. If your skies are clear, you should go take a look.
Pee-Wee’s Christmas special is on Prime and you need to watch it!!
December 23, 2024 at 6:00 PM
Pee-Wee’s Christmas special is on Prime and you need to watch it!!
Velma helping!
December 21, 2024 at 6:59 PM
Velma helping!
I finally got the tree up!
December 21, 2024 at 1:44 AM
I finally got the tree up!
I can’t believe it’s time to post this again.
December 17, 2024 at 4:49 AM
I can’t believe it’s time to post this again.
After Reagan watched it, he wrote this in his diary:
December 13, 2024 at 9:01 PM
After Reagan watched it, he wrote this in his diary:
And here’s another time lapse, a bit nicer than the first one.
December 12, 2024 at 6:57 PM
And here’s another time lapse, a bit nicer than the first one.