Katharine Hayhoe
banner
katharinehayhoe.com
Katharine Hayhoe
@katharinehayhoe.com

climate scientist
posts 100% my own
🇨🇦 is my home

distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
alum, UToronto and UIUC
author, Saving Us

Katharine Anne Scott Hayhoe is a Canadian atmospheric scientist. She is a Paul Whitfield Horn Distinguished Professor and an Endowed Chair in Public Policy and Public Law at the Texas Tech University Department of Political Science. In 2021, Hayhoe joined the Nature Conservancy as Chief Scientist. .. more

Environmental science 57%
Geography 18%
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. 💚

Yes, I just shared it there as an experiment. I wanted to see what the reaction was compared to here.

Normally, I only post my newsletter on X these days and I keep the replies closed. For obvious reasons 😳

bsky.app/profile/kath...
Bluesky is the new science Twitter, new study by @whysharksmatter.bsky.social and Julia Wester concludes!

"Results show that for every reported professional benefit that scientists once gained from Twitter, scientists can now gain that benefit more effectively on Bluesky than on Twitter."
Scientists no Longer Find Twitter Professionally Useful, and have Switched to Bluesky
Synopsis. Social media has become widely used by the scientific community for a variety of professional uses, including networking and public outreach. For
academic.oup.com

I set up mirror accounts so people on mastodon can follow what I share on other platforms, but I don’t have to see the responses. I feel like that is a good compromise.

Sadly, I’m not going back to a platform where I got mansplained on every other post I did by people who agreed with me on the physical science, but disagreed on something else. I reached the limit of my abilities to tolerate emotional abuse on the other platforms and mastodon was too much to add.

aw darn okay fine ... you got me 😂

And then, to continue the direct comparison, nearly every day I have people like this (first picture) saying things like this to me (second picture). Not so much on X anymore as I do not allow replies when I post my newsletter there, but here's what I got on FB yesterday (third picture).

That example hits a bit closer home than you imagine: it is exactly what happened to me!

I am a Christian + in 2009 I wrote a book about climate change for Christians that I co-authored with my husband who is a pastor & published w FaithWords.

Guess what? – Christian bookstores wouldn’t carry it.

Even more importantly: remember to click the link before commenting or responding.

In this case, it would’ve showed you that this is not a graphic – it’s a link.

In addition, sadly the original graphic is paywalled. I know, because I was checking to try to do the above before I posted.
Thanks to the American Meteorological Society @ametsoc.org for their responsible statement in response to the harmful decision of the USA to rescind the EPA endangerment finding. www.ametsoc.org/ams/about-am...
A Response to the Decision to Rescind EPA's 2009 Endangerment Finding
The AMS is a global community committed to advancing weather, water, and climate science and service.
www.ametsoc.org

I am not liberal - it’s the anti-science right wing driving me away. I left X because trolling increased 10-15x and my reach plummeted.

Every day I still get called names on FB by them. Here are a few of the 3 dozen from yesterday.

No one signed up for this when they decided to study science.

New analysis: 0.25% of 2025 Bluesky posts contained citations to research...while only 0.000006% of X/Twitter posts did.

In raw numbers, X still has 2x the research-based posts that Bluesky does (though they are harder to find): but it took Twitter 10 years to get there vs just 2 years for Bluesky
THREAD

The first full year of tracking research on @bsky.app

Hi, we are Altmetric, and we track how research is communicated across the web.

We now have one full calendar year of Bluesky research data and thought we'd have a looksie.

It took six years to get there so hopefully Bluesky is on track. More stats here: bsky.app/profile/kath...
New analysis: 0.25% of 2025 Bluesky posts contained citations to research...while only 0.000006% of X/Twitter posts did.

In raw numbers, X still has 2x the research-based posts that Bluesky does (though they are harder to find): but it took Twitter 10 years to get there vs just 2 years for Bluesky
THREAD

The first full year of tracking research on @bsky.app

Hi, we are Altmetric, and we track how research is communicated across the web.

We now have one full calendar year of Bluesky research data and thought we'd have a looksie.

There are reasons that I at least consider valid to keep my account there open as a placeholder.

👏👏👏

Reposted by Katharine Hayhoe

Hayhoe has several starter packs of scientists.

Look for “Starter Packs”
Below the biography
Scroll to the right

Click it
& you will see their list;
You can follow each one,
Or follow all.

Well, my guess is that if he didn’t say anything, he must have shared or liked the wrong post one time.

I will unblock him if you really do vouch for him - but I don’t really use X any more, other than to share my newsletter.

I posted there today only because I’m running another experiment.
Bluesky is the new science Twitter, new study by @whysharksmatter.bsky.social and Julia Wester concludes!

"Results show that for every reported professional benefit that scientists once gained from Twitter, scientists can now gain that benefit more effectively on Bluesky than on Twitter."
Scientists no Longer Find Twitter Professionally Useful, and have Switched to Bluesky
Synopsis. Social media has become widely used by the scientific community for a variety of professional uses, including networking and public outreach. For
academic.oup.com

Reposted by John Fasullo

Reposted by Katharine Hayhoe

Great piece out today in Physics Today on historical origins, contemporary relevance, & fundamental irreplaceability of the National Center for Atmospheric Research, which remains at imminent risk of dismantling for partisan political reasons.
What the National Center for Atmospheric Research means to the atmospheric sciences
Born out of a time of great need for the federal government, NCAR plays a role with few analogues.
physicstoday.aip.org

Reposted by Katharine Hayhoe

🌹Roses are red,
🌊The ocean is blue.
🌍Climate science matters,
💚And so do YOU.

Happy #ValentinesDay from Climate Central💙

Last year, China installed 50% of the world's new wind and solar capacity.

Its clean energy exports are reducing global emissions by 1%. www.carbonbrief.org/analysis-chi...
Analysis: China’s clean-energy exports in 2024 alone will cut overseas CO2 by 1% - Carbon Brief
China’s clean-energy technologies such as solar panels, batteries and electric vehicles are helping to cut emissions in other countries.
www.carbonbrief.org

Seconded, thirded and fourthed!

Just one example: I paid for about half of my Global Weirding episodes out of my own pocket ... and every time you watched one on YouTube, a PragerU video would pop right up afterwards.

That's the difference between $5,000 and $5,000,000.