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Zeke Hausfather
@hausfath
"A tireless chronicler and commentator on all things climate" -NYTimes. Climate lead @stripe, writer @CarbonBrief, scientist @BerkeleyEarth IPCC AR7 lead author
San Francisco
theclimatebrink.com
Joined July 2008
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    Zeke Hausfather
    @hausfath
    Feb 9
    I've created a new dashboard for The Climate Brink that is updated daily with ERA5 global mean surface temperature data. It includes daily anomalies, monthly and annual forecasts, and a bunch of interactive data visualizations: dashboard.theclimatebrink.com
    63K
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    Zeke Hausfather
    @hausfath
    Jun 6, 2022
    It's a bit eye opening how many time I, a climate scientist, have been called a denier in the last 24 hours for having the temerity to say our children are not necessarily consigned to an apocalyptic hellscape of a future. Doomism is a disease, and a self-fulfilling prophesy.
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    Zeke Hausfather
    @hausfath
    Oct 3, 2023
    The first global temperature data is in for the full month of September. This month was, in my professional opinion as a climate scientist – absolutely gobsmackingly bananas. JRA-55 beat the prior monthly record by over 0.5C, and was around 1.8C warmer than preindutrial levels.
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  • user avatar
    Zeke Hausfather
    @hausfath
    Jun 30, 2025
    This comparsion in the NYTimes today is pretty stark. China is racing ahead to be a high-tech exporter of 21st century technologies, while the US is doubling down on being a petro-state exporting the technologies of the 19th century: nytimes.com/interactive/20…
    494K
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    Zeke Hausfather
    @hausfath
    May 14, 2025
    Scientists have been publishing climate models since ~1970. A good way to evaluate their skill is to compare what they expected to happen in the years after the model was published to observed climate changes. It turns out most models were pretty spot-on:
    398K
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    Zeke Hausfather
    @hausfath
    Jan 15, 2023
    I object to this chart, because it turns out that the reconstruction of a single location based on an ice core drilled 40 years ago in Greenland that ends in 1885 is not a good representation of global temperatures. If we use hundreds of sites and proxy records worldwide we get:
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    Dr Jordan B Peterson
    Peterson Academy
    @jordanbpeterson
    Jan 15, 2023
    Anyone object to this chart?
    973K
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    Zeke Hausfather
    @hausfath
    Jan 25, 2023
    Case in point of why the media needs to be careful when publishing sensational stories about material demand for clean energy. The @guardian runs a story that US vehicles require 300 million tons of lithium. Than realizes they messed up the units and corrects it to be 300k tons!
    2.6M
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    Zeke Hausfather
    @hausfath
    Jan 2, 2020
    Spending $300 billion to combat desertification won't "buy up to 20 years of time to fix global warming" if we continue to increase our emissions of CO2 and other greenhouse gases. This article is quite confused and misleading.
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    Bloomberg
    @business
    Jan 1, 2020
    $300 billion. That’s the amount of money needed to stop the rise in greenhouse gases and buy up to 20 years of time to fix global warming, according to UN climate scientists bloom.bg/2ZEq2gM
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    Zeke Hausfather
    @hausfath
    Jan 27, 2020
    Our best estimate is that 100% of the warming the world has experienced is due to human activities. Natural factors – changes in solar output and volcanoes – would have led to slight cooling over the past 50 years: carbonbrief.org/analysis-why-s…
    Carbon Brief
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    Carbon Brief
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    Zeke Hausfather
    @hausfath
    Jul 9, 2021
    California is planning to shut down its last nuclear plant soon. From a carbon-free electricity standpoint, this is the equivalent of tearing down every wind turbine in the state, or half of our solar panels. From a new article by my colleague @_A_Stein_: thebreakthrough.org/blog/treadmill…
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    Zeke Hausfather
    @hausfath
    Sep 25, 2023
    Its hard to overstate just how exceptionally high global temperatures are at the moment. They have blown past anything we've previously experienced by a huge margin. Over at The Climate Brink, we try and visualize this summer of extremes in seven charts. theclimatebrink.com/p/visualizing-…
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    Zeke Hausfather
    @hausfath
    Aug 9, 2021
    The new IPCC 6th Assessment Report (AR6) provides an unprecedented degree of clarity about the future of our planet, and the need to reduce – and ultimately eliminate – our emissions of greenhouse gases. In this thread I take a look at some key findings from the report: 1/27
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    Zeke Hausfather
    @hausfath
    Jul 3, 2023
    BREAKING: June 2023 has blown away all prior records for the month of June, coming in at a staggering 0.16C above the prior record set in 2019. It was around 1.46C above the typical temperatures we saw in June in the preindustrial era (1850-1899).
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    Zeke Hausfather
    @hausfath
    Jan 10, 2025
    Great (and scary) visualization of 2024 daily temperatures compared to prior years by the BBC today. Evocative of the iconic Joy Division album cover from 1979: bbc.com/news/articles/…
    238K