Reposted by Steven J. DavisJohn Bistline @bistline.bsky.social · 17/07/2026Right now millions on the East Coast are getting a preview of what breathing bad air feels like. A new study looks at who breathes it by design. Net-zero pathways with more carbon removal leave ~30,000 more Americans dying from PM2.5 in 2050, concentrated in lower-income places. 2173
Reposted by Steven J. DavisStanford Doerr School of Sustainability @stanforddoerr.bsky.social · 23/06/2026Rangelands including prairies & savannas support 500 million people worldwide, feeding herds of sheep, goats, and other animals. New research could help agribusinesses and countries choose grazing practices on these lands that will cut emissions targets and move them closer to their climate goals.stanford.ioLess grazing, more feed for livestock in some regions may benefit climateAltering livestock grazing could allow soils to store billions more tons of carbon each year, depending on the region. But net climate benefits depend heavily on where supplemental feed comes from. 101
Steven J. Davis @stevenjdavis.bsky.social · 21/01/2026“The most popular scope 3 models assume an entirely American supply chain. That doesn’t square with reality.” Deft summary of our latest paper by @emilypont.bsky.social in @heatmap.news: heatmap.news/sustainabili... Open access paper here: www.nature.com/articles/s41...heatmap.newsAnother Way Companies Majorly Undercount Their EmissionsThe most popular scope 3 models assume an entirely American supply chain. That doesn’t square with reality. 0227
Reposted by Steven J. DavisPep Canadell @pepcanadell.bsky.social · 18/12/2025The Global Carbon Project has just published the most comprehensive Global Hydrogen Budget to date. H2, although not a GHG, has an indirect Global Warming Potential 37 times more potent than CO2. Carbon Brief: www.carbonbrief.org/hydrogen-emi... Research paper: www.nature.com/articles/s41...carbonbrief.orgHydrogen emissions are ‘supercharging’ the warming impact of methane - Carbon BriefThe warming impact of hydrogen has been “overlooked” in projections of climate change, authors of the latest “global hydrogen budget” say. 14026
Reposted by Steven J. DavisGlen Peters @glenpeters.bsky.social · 18/12/2025An update of the Global Hydrogen Budget. The biggest source of H2 into the atmosphere is oxidation of CH4 and NMVOCs. So if you care about the climate effects of H2, reduce your CH4 emissions... www.nature.com/articles/s41... 1/ 12316
Steven J. Davis @stevenjdavis.bsky.social · 18/12/2025Thanks for noticing, Damian. In case useful, we also put together a research brief about the new paper here: drive.google.com/file/d/1ObuE...drive.google.comResearchBrief_Fofrich_stranded.pdf 084
Steven J. Davis @stevenjdavis.bsky.social · 16/12/2025Kind of cool, Nature now assembling summaries of annual “research impact”: yir.sn.pub/xowQO5 #SNAuthors #YiR2025yir.sn.pubYear in research 2025Explore a personalised summary of your research's reach and impact in 2025 and share highlights with friends and colleagues. 000
Steven J. Davis @stevenjdavis.bsky.social · 30/08/2025Hot take: people who insist on backing into parking spots are a blight upon the Earth. 010
Steven J. Davis @stevenjdavis.bsky.social · 12/08/2025The Stanford Doerr School of Sustainability is searching for a tenure-rank faculty in climate science. Candidates must have an exceptional record of scholarly work, be interested in interdisciplinary approaches and demonstrate a dedication to teaching. facultypositions.stanford.edu/en-us/job/49...facultypositions.stanford.eduStanford | Faculty Positions: Details - Tenured Professor in Climate Science 23320
Steven J. Davis @stevenjdavis.bsky.social · 08/08/2025Excited to help continue support for this open source model and dataset at Stanford in collaboration with Wes Ingwersen and Watershed. www.nytimes.com/2025/08/08/c...nytimes.comE.P.A. to Stop Updating Popular Database After Lead Scientist Criticized Trump 153
Steven J. Davis @stevenjdavis.bsky.social · 26/07/2025Have spent most of July in the U.K., soaking up history, natural beauty, scientific ideas (and a fair amount of weak & warm beer). Back home tomorrow. 140
Reposted by Steven J. DavisJacqueline A. Dowling @jadowling.bsky.social · 18/07/2025Submit an abstract to our @agu.org session GC077 by July 30th! Geophysical Constraints of Climate Solutions: -clean energy tech -adaptation solutions -resilient energy transitions agu.confex.com/agu/agu25/pr... @lfreese.bsky.social @stevenjdavis.bsky.social @michaeldavidson.bsky.socialagu.confex.comMulti-Sector Dynamics: Geophysical Constraints of Climate SolutionsWhat are the key geophysical constraints of adapting to and mitigating climate change? This session will highlight interdisciplinary research on geophysical limits of adaptation and mitigation solutio... 002
Steven J. Davis @stevenjdavis.bsky.social · 17/04/2025Ignoring news and spending cocktail hour with a Naked and Famous (but subbed out my precious Chartreuse with Maine-made Handshake digestif) 090
Reposted by Steven J. DavisPaul Voosen @voosen.me · 09/04/2025@science.org confirms that yesterday the Trump admin wiped out the technical staff of the U.S. National Climate Assessment and the Global Change Research Program. When USGCRP's acting director, who is on a time-limited contract, leaves, it will leave the congressionally mandated office empty.science.orgTrump administration fires staff for flagship U.S. climate assessmentMove could open the door to using high-profile report to attack climate science 11174137
Reposted by Steven J. DavisCosta Samaras @costasamaras.com · 09/04/2025New piece from me published in Nature Climate Change: Decarbonization can improve energy security, robust trade and a circular economy increases energy security, and critical minerals are not like oil. 🔌💡 Journal link: www.nature.com/articles/s41... Open access link: rdcu.be/eg3lRnature.comDecarbonization can improve energy security - Nature Climate ChangeMoving towards net-zero carbon emissions reduces reliance on fossil fuels but requires geographically concentrated materials for clean energy technologies. Now research finds countries can reduce emer... 115059
Steven J. Davis @stevenjdavis.bsky.social · 09/04/2025Ironically, our new paper on trade risks of net-zero energy systems, ~2 years in the making, has landed on the same day as the U.S. imposes sweeping tariffs on many of its trading partners. rdcu.be/eg1yardcu.beTrade risks to energy security in net-zero emissions energy scenariosNature Climate Change - Trade risks associated with fossil fuels and critical materials matter for energy security, and will evolve with the low-carbon transition. Here the researchers find that... 1130
Steven J. Davis @stevenjdavis.bsky.social · 19/03/2025Nice sunset walk at the Dish yesterday. Nature’s first green is gold! 160
Reposted by Steven J. DavisJuan Moreno-Cruz @jmorenocruz.bsky.social · 31/01/202514 amino acids (left- and right-handed)! Ammonia! Formaldehyde! We are but stardust: mundane and transcendent. My gosh, what a time to be alive! www.nature.com/articles/d41... www.nature.com/articles/s41... www.nature.com/articles/s41...nature.comAsteroid fragments upend theory of how life on Earth bloomedSamples from Bennu contain the chemical building blocks of life — but with a twist. 11910
Steven J. Davis @stevenjdavis.bsky.social · 25/01/2025Our new perspective in @science.org imagines a role for Tribal energy resources that is mutually beneficial to U.S. energy security and Tribe’s economic prosperity. With my brilliant colleague @mbazilian.bsky.social www.science.org/doi/10.1126/...science.orgA path to US Tribal energy sovereignty 0258
Reposted by Steven J. DavisScience Magazine @science.org · 10/01/2025Replacing conventional building materials with materials modified to store carbon dioxide could move the planet closer to net-zero greenhouse gas emissions, according to a new study in Science.scim.agBuilding materials could store more than 16 billion tonnes of CO2 annuallyAchieving net-zero greenhouse gas emissions likely entails not only lowering emissions but also deploying carbon dioxide (CO2) removal technologies. We explored the annual potential to store CO2 in building materials. We found that fully replacing ... 06117
Steven J. Davis @stevenjdavis.bsky.social · 10/01/2025Our analysis out today in @science.org and led by Elisabeth Van Roijen (of NREL and formerly @ucdavis.bsky.social) shows that building materials--and especially concrete--are an enormous potential reservoir to store carbon (we think >16 Gt CO2 / yr). www.science.org/doi/10.1126/...science.orgBuilding materials could store more than 16 billion tonnes of CO2 annuallyAchieving net-zero greenhouse gas emissions likely entails not only lowering emissions but also deploying carbon dioxide (CO2) removal technologies. We explored the annual potential to store CO2 in bu... 271
Steven J. Davis @stevenjdavis.bsky.social · 07/01/2025Post-storm sunrise on the shores of Lake Tahoe this past Saturday. 030
Steven J. Davis @stevenjdavis.bsky.social · 27/12/2024Some of the Christmas cookies our family made this year! 010
Steven J. Davis @stevenjdavis.bsky.social · 25/12/2024Nice view from the Marin Headlands after this morning’s storm cleared! 040
Steven J. Davis @stevenjdavis.bsky.social · 30/11/2024Hanging out in the Pacific NW for Thanksgiving and captured a nice little microcosm yesterday. 060