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Katharine Hayhoe

@katharinehayhoe.com

11.9k Following150.5k Followers

climate scientist posts 100% my own 🇨🇦 is my home distinguished professor & chair, Texas Tech chief scientist, The Nature Conservancy board member, Smithsonian NMNH advisor, Lawson Climate Inst UofT alumna, UToronto and UIUC author, Saving Us

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@katharinehayhoe.comJan 9, 2025, 4:37 PM Pinned

I’m a scientist who studies how climate change impacts our lives and the places we love. Most of us are worried, but many feel stuck on what to do. If that's the way you feel, check out this list below! We can’t fix it alone, but I know we can together. 💚

A list of the most effective ways an individual can catalyze change at the scale we need to effectively tackle climate change, based on social science.
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@claytontuckertx.comOct 11, 2026, 10:13 PMReposted by @katharinehayhoe.com

The stars over Big Bend belong to all Texans, not the Ultra Wealthy. Now data center development in West Texas is raising new concerns about protecting our dark skies, including those surrounding McDonald Observatory. We need to protect our natural treasures before they’re lost to corporate greed.

Campaign graphic featuring a star-filled night sky over the Big Bend landscape, with rows of illuminated data center server racks in the foreground. Large white text reads, “Data center threatens Big Bend dark sky near McDonald Observatory.” The graphic includes Clayton Tucker’s campaign branding and @ClaytonTuckerTX.
@katharinehayhoe.comOct 11, 2026, 4:54 PM

Thank you Bob! 😊

@katharinehayhoe.comOct 11, 2026, 3:02 PM

Just say my name out loud and then sing the song.

@katharinehayhoe.comOct 11, 2026, 2:52 PM

thank you! ☺️

@katharinehayhoe.comOct 11, 2026, 2:52 PM

that's the part that did it

@katharinehayhoe.comOct 11, 2026, 2:41 PM

thank you Kevin!

@katharinehayhoe.comOct 11, 2026, 2:40 PM

ah, I am sorry

@katharinehayhoe.comOct 11, 2026, 2:20 PM

thank you! no recharging batteries time on this trip sadly, but I will enjoy the view

@katharinehayhoe.comOct 11, 2026, 2:18 PM

I would be reading it anyway because it is an absolute delight .. but I have an extra incentive with this coming up! If you're in Toronto, there might be a few tickets still left. 📅 Oct. 20 | 7–8:30 p.m. 📍 Isabel Bader Theatre 🎟️ $40 tickets, supporting Victoria University's Sustainability Fund

Headshots of the one and only Margaret Atwood and me.
@katharinehayhoe.comOct 11, 2026, 2:15 PM

just sing it to yourself and you will figure it out

@katharinehayhoe.comOct 11, 2026, 2:08 PM

My reading on this trip—which also takes me to @nature.org events, the @mottfoundation.bsky.social, and a meeting at Calvin College—is the inimitable @margaretatwood.bsky.social’s memoir in which I was surprised to learn she was similarly traumatized by the dwarves song from Snow White as a child 🎵😄

@katharinehayhoe.comOct 11, 2026, 1:49 PM

On my way to #GSAConnects2026 in Denver today!

I'm very honoured to be receiving the @geosociety.bsky.social President's Medal.

I'll also be giving a talk at 1.30pm in Session 75, "Effective Science Communication in an Age of Information Overload and Misinformation" co-sponsored by @agu.org

@katharinehayhoe.comOct 11, 2026, 3:16 AM

The duration is a completely different scientific question. It relates to the persistence of weather patterns.

@katharinehayhoe.comOct 11, 2026, 1:19 AM

More on atmospheric rivers here

www.climatehubs.usda.gov/hubs/northwe...

@katharinehayhoe.comOct 11, 2026, 1:17 AM

The original study definitively attributing more intense precipitation to human caused climate change was done at the University of Victoria 15 years ago. It’s one of the classic hallmarks of climate change. www.geos.ed.ac.uk/~ghegerl/ass...

@katharinehayhoe.comOct 10, 2026, 11:08 PM

That ship sailed long ago

Holding an orange cat while announcing a Reddit AMA.
@miss604.comOct 9, 2026, 5:36 PMReposted by @katharinehayhoe.com

Vancouver Indigenous #Fashion Week has announced four nights of events (November 18-21) showcasing the ingenuity of over 30 accomplished Indigenous designers alongside art, drumming, dance, song, pop-up shops and cultural showcases.

@katharinehayhoe.comOct 10, 2026, 5:05 PM

I will pass that along 😸

@katharinehayhoe.comOct 10, 2026, 5:04 PM

One time everyone in the family but me had Norovirus. I had to line the hallway to the bathroom with garbage bags. I feel you ❤️‍🩹

@katharinehayhoe.comOct 10, 2026, 5:03 PM

I don’t know about you but if I try to out any type of outfit at all on our cats, they just flop over and play dead. So Suki’s dedication to her growing hoodie collection is very impressive! 😹

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