Prof. Katharine Hayhoe (@KHayhoe) / X

Prof. Katharine Hayhoe

68.3K posts

Prof. Katharine Hayhoe

@KHayhoe

Climate Scientist, Truth-Teller, Christ-Follower Join me on Bluesky @katharinehayhoe.com Subscribe to talkingclimate.ca Tweets 100% my own 🇨🇦🍁

Texas

Joined April 2009

Pinned
Prof. Katharine Hayhoe
@KHayhoe
Mar 27, 2024
I don't use X very much any more, but I'd love to see you elsewhere! For the short & up to date content I used to provide here, see Threads & Bluesky. For longer commentaries, see LinkedIn & my newsletter. And for the fun stuff, check out IG + Pinterest. All links below ⬇️
Prof. Katharine Hayhoe
@KHayhoe
Mar 29, 2023
Looking for more from me than tweets? I regularly share unique content on a dozen other online platforms...and you won't see most of it on Twitter. Browse this thread for direct links and dive in!
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Prof. Katharine Hayhoe
@KHayhoe
Jan 20, 2019
Hi, I’m a climate scientist. You may know me from my greatest hits including, “No, it’s not a natural cycle,” “Yes, I know it’s been warmer before (and the only reason YOU know is because we scientists told you so),” and “Just because it’s on YouTube doesn’t mean it’s true.”
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Prof. Katharine Hayhoe
@KHayhoe
Jan 21, 2017
You know something's up when there's even a #WomensMarch in Lubbock TX, the 2nd most conservative city in the US. During a dust storm.
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Prof. Katharine Hayhoe
@KHayhoe
Aug 11, 2017
Our 600 page climate report in one tweet: It's real It's us It's serious And the window of time to prevent dangerous impacts is closing fast
Prof. Katharine Hayhoe
@KHayhoe
Jan 12, 2020
People worry about how much land we'd need to supply the US with clean energy. Well, @elonmusk and I have independently calculated it and we both come up with something roughly comparable to the area we currently use for maple syrup or golf. A square about 100-120 miles per side.
FarmPolicy
@FarmPolicy
Jan 11, 2020
This map gives you a rough sense of all the ways U.S. land is used. Much of U.S. land serves specific purposes, such as the 2 million acres devoted to golf courses or the 3 million acres for airports.bloom.bg/37XnVYh
Prof. Katharine Hayhoe
@KHayhoe
Aug 23, 2018
At the hearing for the deputy @NASA administrator today, nominee Jim Morhard was asked by @EdMarkey if he agrees with the scientific consensus that humans are the dominant influence on climate. He said he couldn't say. Well, I'm a scientist, and I can. Here's why. (thread)
Prof. Katharine Hayhoe
@KHayhoe
Aug 18, 2023
As a female climate scientist, blocking is the only thing that makes my engagement here on Twitter/X possible. Daily, I receive comments that range from disparaging to downright vile. Since Oct, my tweets can attract thousands of trolls (real people) and bots (not real). 🧵
816K
Prof. Katharine Hayhoe
@KHayhoe
Mar 20, 2023
Here are the big takeaways from the @IPCC_CH Synthesis Report released today. First, climate change has already caused widespread and substantial losses to almost every aspect of human life on this planet, and the impacts on future generations depend on the choices we make NOW.
1.9M
Prof. Katharine Hayhoe
@KHayhoe
Oct 8, 2020
For the gazillionth time: Climate change is not a religion. It is a science. Do I believe in it? No. I look at the data, and the data is clear: it's real, it's us, it's bad, and the time to fix it is NOW.
Prof. Katharine Hayhoe
@KHayhoe
Feb 8, 2023
Being a scientist, I had to check the math. Turns out it's even worse. You could have made $53,000 (£44,000) a day or $20 million per year since Jesus was born and still not make the profits Shell did in 2022.
Greenpeace UK
@GreenpeaceUK
Feb 8, 2023
SHOCKING FACT: If you earned £40,000 a day from when Jesus was born to the present day, you would still not make as much as Shell did in profits last year
1.2M
Prof. Katharine Hayhoe
@KHayhoe
Nov 24, 2018
I wrote the climate scenarios chapter myself so I can confirm it considers ALL scenarios, from those where we go carbon negative before end of century to those where carbon emissions continue to rise. What WH says is demonstrably false.
John Bruno
@JohnFBruno
Nov 24, 2018
Great piece by @yayitsrob Note WH claim assessment was based on the “most-extreme scenario" is untrue. It wasn't based on any one scenario. Much of it described impacts already happening! And the "worse-case" was just the business-as-usual, do nothing approach favored by WH.
Prof. Katharine Hayhoe
@KHayhoe
Dec 15, 2022
Climate change is real, it’s human-caused, its impacts are serious … and there are solutions if we act now.
Prof. Katharine Hayhoe
@KHayhoe
Jan 6, 2020
#AustralianWildFires climate denial claims, "it's arson! it's been warmer before! fire's natural!" The truth? Human-induced climate change is a threat multiplier. It takes existing risks + amplifies them beyond imagining, affecting every living thing on this planet: including us.
Prof. Katharine Hayhoe
@KHayhoe
Aug 23, 2018
Replying to @KHayhoe
As Isaac Asimov said in 1980: "Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge."