Let’s build

Joined January 2011
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Greg Becker retweeted
16 Nov 2025
I’ll share a small part of pickle.com Back in med school, I became obsessed with augmenting memory and dreamed of a Notion or Obsidian that completes itself. Today, we’ve built something close. My self-awareness is sharper and everything feels connected. I genuinely believe AI does not replace humans. It amplifies us. Huge respect to our engineers and designers who made this crazy thing real. Bubbles are the episodic units of my life that the system interprets from my raw data. Clouds are the system’s questions, its hypotheses about who I am. When I answer a cloud, it becomes a bubble again. There is so much personal data that I cannot fully demo it. Wish I could. This system understands me more deeply than anyone. Want to try it? Retweet and comment “memory.” I’ll DM you an access code to skip the waitlist.
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Everyone wants carbon removal to move faster. In our new piece with Keep Cool’s @nickvanosdol, @PeterMinor and I explain why buyers will only keep showing up if permanence MRV are built in from the start. Scale depends on trust.
What does it take to scale carbon removal? In a new piece with @nickvanosdol, our co-founders argue that permanence, MRV, and additionality are not hurdles. They’re what make gigatonne-scale removal possible. keepcool.co/p/how-to-stop-un…
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German court strikes down Apple’s Carbon Neutral Claims, but is it really Apple’s fault? Buying carbon credits can be risky. But even more challenging is ensuring that the credits purchased are fit for the claims you want to make with them. Just last week, a German court struck down Apple’s “carbon neutral” Apple Watch, and banned the company from using the term. So what happened? In 2023, Apple announced their first “carbon neutral” product, the Apple Watch Series 9. Apple had done amazing work, reducing the emissions associated with making the Apple Watch by 75%, and then using carbon credits to mitigate the remaining emissions. The credits Apple used were issued by Verra, the world’s largest carbon credit registry. Verra claims its credits undergo rigorous assessments and represent “one metric tonne of carbon dioxide reduced or removed from atmosphere.” But the credits Apple purchased, which were tied to newly planted eucalyptus trees in Paraguay, weren’t fit for carbon neutral claims. While emissions from the Apple Watch production will remain in the atmosphere for ~1000 years, there was no guarantee that Apple could claim the carbon stored in the eucalyptus trees after 2029, making it impossible to know if the CO₂ stored in the eucalyptus trees would remain stored. Put another way - while Apple's pollution would persist for a millennium, their solution was only guaranteed to last 0.4% of that time. Apple has some responsibility, they were the one who made the claim. But it’s hard not to look at Verra, the registry who is ultimately responsible for assessing a carbon credit project’s climate impact and issuing credits against it. Apple made the claim, but Verra is the “expert” providing the certification that says it’s okay for them to do so. This dynamic makes navigating the carbon credit landscape treacherous. 3rd-party certifiers like Verra say that credits have a particular impact, yet buyers are the ones who get punished when those certifications fail to stand up. That imbalance erodes trust not only in individual companies but in the entire system. These registries need to evolve beyond simple certification to provide clearer guidance on what claims can be made with different types of credits. They should develop specific categories of credits, with clear labels for credits that are appropriate for carbon neutral claims versus those better suited for other purposes. Without this evolution in the registry system, we'll continue to see companies making well-intentioned but ultimately problematic claims. The responsibility for matching credits to claims shouldn't fall solely on buyers - registries must step up to provide the market infrastructure needed for credible climate action. The credibility of climate action depends on rules that match claims to reality. Until registries provide that foundation, “carbon neutral” will remain more of a marketing slogan than a climate solution.
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Greg Becker retweeted
New Removed & Proved: @AndreasenJack He explains why policy is critical to scaling CDR, why cheap credits are a dangerous illusion, and what it’ll take to build a credible market. 🔎Read the full blog here: absoluteclimate.com/blog-pos…
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Kicking off our new blog series w/ a CDR heavy hitter. Thanks for the perspective @erinmburns
New blog series: Removed & Proved We’re spotlighting the people shaping real, accountable carbon removal — starting with @erinmburns of @carbon_180. “The first thing we need is more alignment on what counts as carbon removal.” She breaks down why clear definitions matter and what it’ll take to build real momentum. Read here: absoluteclimate.com/blog-pos…
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Greg Becker retweeted
Who writes the rules makes a difference. When the same group creates, enforces, and checks the rules, conflicts of interest can sneak in. For better-quality credits, look for ones where these roles are handled by separate parties. How are you assessing who’s behind the rules?
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Incredibly excited to welcome Robert Watson to the AC advisory board! Rob is the "Father of LEED" and the founder of the Leadership in Energy and Environmental Design (LEED) Green Building Rating System. One of the world’s most widely used and successful sustainability certification standards. There are few people in the world that have the combination of deep expertise and success in the development and adoption of global sustainability certification standards. We’re grateful that Rob is bringing his know-how to the carbon removal space 🙏. Existing carbon market standards lack the technical specificity, consistency, and usability that are the hallmarks of leading standards across green building, transportation, and pharmaceutical safety. This creates issues for players across the CDR ecosystem… - For Project Developers it makes it harder and more expensive to build out their MRV plans and differentiate their project against other projects making similar claims. - For Buyers it makes purchasing CDR risky, technically complicated, and pricey. - For Registries it slows down methodology development and creates inconsistencies that make directly comparing project outcomes impossible. Solving these problems with specific, consistent, and usable standards make clear the claims that should be attached to each credit. We’re grateful to be working with Rob, and our entire advisory board (@erinmburns @GianaAmador) to solve these challenges and further our mission of ensuring that credit claims match climate impacts.
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The CDR space is lucky to have @AndreasenJack to provide such thoughtful perspectives 🙏
Since this Climeworks story is now ripping through socials, it's a good time for a little thread on the piece Early responses have all been dunking on DAC, but this is bigger than one technology What does the piece get right, what does it get wrong🧵 heimildin.is/grein/24581/cli…
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Julio Friedmann really nails it here. The US has been at the forefront of driving innovation in DAC: spurring new technologies, creating jobs, and driving billions in economic value. We should be striving to own and grow that value creation here in the US. substack.com/inbox/post/1631…

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AC's DAC Storage methodology represents a major step forward in creating independence between registries and quality assurance.
Absolute Climate's DAC Storage Methodology is now open for public comment! This methodology is aligned with the Absolute Carbon Standard (ACS). It's designed to make sure credits are transparent, comparable, and that credit claims always match their climate impacts. We’d love to hear your thoughts to help build a stronger, more reliable market for DAC Storage solutions. You can view and comment on the methodology here: absoluteclimate.notion.site/… The draft is open for public comment until June 12, 2025, and we welcome feedback from across the carbon removal community. Comments can be submitted directly on the document or emailed to consultation@absoluteclimate.com. All feedback will be reviewed and addressed publicly by the Absolute Climate team.
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Having the U.S. government pull back their support or even create uncertainty around existing commitments is a huge bummer that slows down critical work within CDR. Historically gov’t helping new innovations cross the chasm to commercialization has created tremendous economic and social benefits. The DAC Hub and Purchase Prize programs are amazing examples of programs with the potential to generate outsized returns for the U.S. and the planet. They’re exactly the type of future looking programs we should be investing in. Fortunately for CDR there are incredible private sector, NGOs, and international interests that are stepping up to fill the void. CDR marches on!
8 May 2025
⚠️ US carbon removal industry suffers setbacks as critical federal support remains uncertain: buff.ly/11R7vdt
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Bloomberg published an interesting piece today on direct air capture (DAC) and it’s a reminder that the carbon removal space is in the middle of a shift. As the market grows, the rules, incentives, and expectations are evolving too. DAC operates under some of the strictest carbon accounting standards. Unlike other pathways, it fully accounts for all inputs and outputs it relies on, uses a baseline of zero, and delivers highly durable, verifiable negative emissions. In practice this higher bar is not recognized by registries which means DAC projects bear higher costs to meet tougher standards but receive no extra recognition or market advantage for their rigor. As the carbon removal space matures, it’s worth asking: how do we ensure rigorous solutions are not just measured fairly but valued fairly too? bloomberg.com/news/articles/…
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So happy that @matsleder's newsletter is back. A wonderful source of inspiration and optimism!
What we consume—physically, mentally, emotionally—shapes who we become. Explore the power of "The Three Diets" and discover how mindful consumption can transform your life: inpursuitofelevation.substac… #InPursuitOfElevation #mindfulness #personaldevelopment #selfcare #purposefulliving
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Congrats to the winners of the XPRIZE Carbon Removal! @mati_carbon Net Zero @VaultedDeep @undocarbon @4401earth @capture_air These companies represent some of the most ambitious work in the space and signal that CDR is growing fast. Also major kudos to @xprize, and their amazing carbon removal team that ran this prize: Nikki Batchelor, Michael Leitch, Roopa Dandamudi, Kelsey Miller. Thank you for the foundational work you've done to push our field forward 🙏
23 Apr 2025
🏆 From Idea to Impact: XPRIZE Carbon Removal winners are in! 🌏 We’re proud to have collaborated with @xprize on the groundbreaking $100M #XPRIZECarbonRemovalcompetition. Over the past four years, we’ve witnessed incredible momentum in the carbon removal space. The competition galvanized over 1,300 teams from 88 countries to design, build, and deploy innovative carbon removal technologies across four tracks: Air, Land, Ocean, and Rocks. 🌱 The winning teams, selected from 20 impressive finalists across 11 countries, each successfully removed more than 1,000 net tonnes of CO₂ in the final year—meeting XPRIZE’s bold demonstration threshold and marking a major milestone on the path to gigatonne scale. 🏆 Grand prize winner - $50M: @mati_carbon 🥇 1st Runner-Up – $15M: @NetZero 🥈 2nd Runner-Up – $8M: @VaultedDeep 🥉 3rd Runner-Up – $5M: @undocarbon 🌊 XFACTOR Ocean – $1M: @planetary_tech 💨 XFACTOR Air - $1M: Project Hajar (@4401earth and @capture_air) 📽 Learn more about the winners here: youtu.be/Ta_slMqnW5w Collectively, the 20 Finalists have: 📈 Sold over 892,000 tonnes of CDR 💸 Secured more than $400 million in investment 🔬 These teams represent some of the most promising, scalable, and high-quality carbon removal solutions in the world—and reflect the diversity of methods needed to scale across geographies and contexts. 👏 A big round of appreciation for the all the finalists and the participants in the competition and to the team at XPRIZE for their stellar contribution to take CDR to new heights!
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Big day at Absolute 🎉 @GianaAmador and @erinmburns are joining our first-ever advisory board (!!) and Adam Ward has come on as our new Certification Lead. Can't wait to build together.
We’re working to build a more transparent, accountable carbon removal market. To support that work, we’ve formed a new advisory board: @GianaAmador & @erinmburns, two leaders in policy, markets, and climate innovation. Learn more → tinyurl.com/5f93whtf
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Really excited to share this new partnership between AC and @vesta_earth. Vesta is a true leader in mCDR, and deeply committed to demonstrating their projects’ climate impacts. We’re proud to be working with them to bring the AC approach into mCDR.
Our mission at Absolute Climate is to ensure that credit claims match climate impacts. Today we’re proud to share that we’re teaming up with @vesta_earth to extend that mission into marine carbon removal. (1/2)
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We’re going to need an insane amount of both emissions reductions and negative emissions to reach our net zero target. The technologies and approaches for reductions vs. negative emissions are often quite distinct. However today’s carbon credit standards conflate the two - creating a lot of friction, slowing down deployments, and creating risks for buyers and project developers. Really proud of the team @absclimate for their work to solve this key challenge with the Absolute Carbon Standard!
🌍 Diving Deeper into Mitigation Types: A new explainer from Absolute Climate. Meeting net-zero goals means tackling two distinct challenges: • Decarbonizing active industries • Removing CO₂ from the atmosphere Today’s carbon credit standards fail to distinguish these pathways, creating confusion for buyers & project developers. 🧵
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Mitigation Classes are a key unlock for carbon markets. I’m proud of the @AbsoluteClimate team for their hard work on our new explainer, detailing what Mitigation Classes are and why they matter. 🧵
Today, Absolute Climate (AC) is sharing an explainer on a key concept of the Absolute Carbon Standard - Mitigation Classes. Mitigation Classes clearly distinguish between mature and emerging carbon removal projects, ensuring that credit claims always align with real climate impacts, without stifling innovation. Here’s why they matter: 🧵
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6/ 💪 Trust & Accountability: By setting rigorous, science-based benchmarks and creating room for innovation, Mitigation Classes help the carbon removal market build confidence and scale responsibly.
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7/ Mitigation Classes are central to advancing Absolute Climate’s mission: ensuring that credit claims match climate impacts. You can read more about Mitigation Classes here: shorturl.at/IwJtK

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