Dan Kammen
@dankammen.bsky.social
Husband & father of two amazing daughters, former Obama and Biden Administration(s) energy, climate and justice team member. Decarbonization and climate justice. Pilot. Astrophotographer. Very concerned US resident. Professor: http://rael.berkeley.edu
Pinned
Dan Kammen
@dankammen.bsky.social
· Nov 14
Well, with the federal mess in full-blown re-creation, time to move to @bsky.app
I had hoped I-M-P-E-A-C-H could have been left behind. But time to R-E-S-I-S-T @donaldtrumpbsky.bsky.social again.
My 2017 resignation ...
www.tandfonline.com/doi/full/10....
I had hoped I-M-P-E-A-C-H could have been left behind. But time to R-E-S-I-S-T @donaldtrumpbsky.bsky.social again.
My 2017 resignation ...
www.tandfonline.com/doi/full/10....
So sad that the @donaldjtrump-maga.bsky.social attack on the @usatoday.com demands this response, but California, @gavinnewsom.bsky.social @barackobama.bsky.social @rbreich.bsky.social @tomsteyer.bsky.social won
@houserepublicans.bsky.social need a mirror
@erica-newyorktimes.bsky.social
@houserepublicans.bsky.social need a mirror
@erica-newyorktimes.bsky.social
November 5, 2025 at 7:02 AM
So sad that the @donaldjtrump-maga.bsky.social attack on the @usatoday.com demands this response, but California, @gavinnewsom.bsky.social @barackobama.bsky.social @rbreich.bsky.social @tomsteyer.bsky.social won
@houserepublicans.bsky.social need a mirror
@erica-newyorktimes.bsky.social
@houserepublicans.bsky.social need a mirror
@erica-newyorktimes.bsky.social
Very, very exciting OPEN LEVEL faculty position in Civil and Systems Engineering and Data Science @jhu.edu
apply.interfolio.com/176542
ROSEI, the Ralph O'Connor Sustainable Energy Institute & the Institute of Data Science and AI (DSAI @hopkinsdsai.bsky.social can both be hubs for this position
apply.interfolio.com/176542
ROSEI, the Ralph O'Connor Sustainable Energy Institute & the Institute of Data Science and AI (DSAI @hopkinsdsai.bsky.social can both be hubs for this position
Apply - Interfolio
{{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
apply.interfolio.com
October 24, 2025 at 10:22 PM
Very, very exciting OPEN LEVEL faculty position in Civil and Systems Engineering and Data Science @jhu.edu
apply.interfolio.com/176542
ROSEI, the Ralph O'Connor Sustainable Energy Institute & the Institute of Data Science and AI (DSAI @hopkinsdsai.bsky.social can both be hubs for this position
apply.interfolio.com/176542
ROSEI, the Ralph O'Connor Sustainable Energy Institute & the Institute of Data Science and AI (DSAI @hopkinsdsai.bsky.social can both be hubs for this position
For all the bad news and damage that @donaldjtrump-maga.bsky.social is doing to the US economy, the CA @cayimby.bsky.social clean energy @governor.ca.gov path is worth a read
greenearthinsights.substack.com/p/can-califo...
@ucberkeleyofficial.bsky.social @hopkinspress.bsky.social
greenearthinsights.substack.com/p/can-califo...
@ucberkeleyofficial.bsky.social @hopkinspress.bsky.social
October 2, 2025 at 12:23 PM
For all the bad news and damage that @donaldjtrump-maga.bsky.social is doing to the US economy, the CA @cayimby.bsky.social clean energy @governor.ca.gov path is worth a read
greenearthinsights.substack.com/p/can-califo...
@ucberkeleyofficial.bsky.social @hopkinspress.bsky.social
greenearthinsights.substack.com/p/can-califo...
@ucberkeleyofficial.bsky.social @hopkinspress.bsky.social
Rest in power and peace @janegoodallcan.bsky.social
I had the honor to first meet her at @anv-cop21.org in @france24.com
What a force for something so lacking today ... observation, reflection and communication.
#JaneGoodall a force for humanity
I had the honor to first meet her at @anv-cop21.org in @france24.com
What a force for something so lacking today ... observation, reflection and communication.
#JaneGoodall a force for humanity
October 2, 2025 at 2:36 AM
Rest in power and peace @janegoodallcan.bsky.social
I had the honor to first meet her at @anv-cop21.org in @france24.com
What a force for something so lacking today ... observation, reflection and communication.
#JaneGoodall a force for humanity
I had the honor to first meet her at @anv-cop21.org in @france24.com
What a force for something so lacking today ... observation, reflection and communication.
#JaneGoodall a force for humanity
A new podcast episode in the
Energy Matters with Claire & Dan series just dropped today:
East Coast vs. West Coast policies
Not quite the 1990s #rapper battle ..., but available on our website, energymatters.world and most podcast outlets.
Energy Matters with Claire & Dan series just dropped today:
East Coast vs. West Coast policies
Not quite the 1990s #rapper battle ..., but available on our website, energymatters.world and most podcast outlets.
In this episode, Claire and Dan dive into the long-standing East Coast vs. West Coast debate... Thi...
energymatters.world
September 30, 2025 at 10:59 AM
A new podcast episode in the
Energy Matters with Claire & Dan series just dropped today:
East Coast vs. West Coast policies
Not quite the 1990s #rapper battle ..., but available on our website, energymatters.world and most podcast outlets.
Energy Matters with Claire & Dan series just dropped today:
East Coast vs. West Coast policies
Not quite the 1990s #rapper battle ..., but available on our website, energymatters.world and most podcast outlets.
Urban (un-)affordability ... now vs. 5 years ago
Important reporting from @cnn.com
It is not complicated: we need a wealth tax. @realtomsteyer.bsky.social @rbreich.bsky.social
Important reporting from @cnn.com
It is not complicated: we need a wealth tax. @realtomsteyer.bsky.social @rbreich.bsky.social
September 27, 2025 at 1:14 PM
Urban (un-)affordability ... now vs. 5 years ago
Important reporting from @cnn.com
It is not complicated: we need a wealth tax. @realtomsteyer.bsky.social @rbreich.bsky.social
Important reporting from @cnn.com
It is not complicated: we need a wealth tax. @realtomsteyer.bsky.social @rbreich.bsky.social
Reposted by Dan Kammen
BDP @dankammen.bsky.social recently published a blog post with the @ox.ac.uk that argues for the centrality of science, research, and innovation in the public sphere in order to uphold climate and social justice.
www.oxfordclimatealumni.org/post/an-anti...
www.oxfordclimatealumni.org/post/an-anti...
An Antidote to the Ongoing Suicide of a Superpower
In this OxCAN blog, Dr Daniel M Kammen, Bloomberg Distinguished Professor of Energy and Climate Justice at Johns Hopkins University and Fellow at the University of Oxford’s Institute for New Economic ...
www.oxfordclimatealumni.org
September 24, 2025 at 12:29 PM
BDP @dankammen.bsky.social recently published a blog post with the @ox.ac.uk that argues for the centrality of science, research, and innovation in the public sphere in order to uphold climate and social justice.
www.oxfordclimatealumni.org/post/an-anti...
www.oxfordclimatealumni.org/post/an-anti...
Nice to see Grist reporter @kateyoder laying out the 'flipped economics' of clean energy -- now cheaper, faster and more jobs than fossil energy -- in advance of @climateweeknyc.bsky.social @theclimategroup.bsky.social
@johnshopkinssais.bsky.social
grist.org/culture/sun-...
@johnshopkinssais.bsky.social
grist.org/culture/sun-...
The politics of renewables are getting stranger. ‘Sun Day’ celebrates them anyway.
The national day of action on September 21 arrives at a time when clean energy is becoming more polarized.
grist.org
September 18, 2025 at 5:57 PM
Nice to see Grist reporter @kateyoder laying out the 'flipped economics' of clean energy -- now cheaper, faster and more jobs than fossil energy -- in advance of @climateweeknyc.bsky.social @theclimategroup.bsky.social
@johnshopkinssais.bsky.social
grist.org/culture/sun-...
@johnshopkinssais.bsky.social
grist.org/culture/sun-...
Our latest episode, out today, is on innovation and learning, 'Moore's Law' ('Swanson's Law), and technological change.
Check out #EnergyMatters on all the usual podcast services.
@johnshopkinssais.bsky.social @energyinnovation.org
Check out #EnergyMatters on all the usual podcast services.
@johnshopkinssais.bsky.social @energyinnovation.org
ROSEI's @dankammen.bsky.social and advisory board member Claire Broido Johnson started a podcast called Energy Matters! The show aims to have fact-driven, no-nonsense conversations about how—and why—energy shapes our world. Episodes at the link below! #HopkinsEnergy
www.youtube.com/@EnergyMatte...
www.youtube.com/@EnergyMatte...
Energy Matters. All Around The World.
www.youtube.com
September 9, 2025 at 3:39 PM
Our latest episode, out today, is on innovation and learning, 'Moore's Law' ('Swanson's Law), and technological change.
Check out #EnergyMatters on all the usual podcast services.
@johnshopkinssais.bsky.social @energyinnovation.org
Check out #EnergyMatters on all the usual podcast services.
@johnshopkinssais.bsky.social @energyinnovation.org
www.oxfordclimatealumni.org/post/an-anti...
@neildegrassetyson.com @lisafriedman.bsky.social @jigarshahdc.bsky.social @revkin.bsky.social @vrubinobs.bsky.social @naomioreskes.bsky.social @elizkolbert.bsky.social
@johnshopkinssais.bsky.social
@neildegrassetyson.com @lisafriedman.bsky.social @jigarshahdc.bsky.social @revkin.bsky.social @vrubinobs.bsky.social @naomioreskes.bsky.social @elizkolbert.bsky.social
@johnshopkinssais.bsky.social
An Antidote to the Ongoing Suicide of a Superpower
In this OxCAN blog, Dr Daniel M Kammen, Bloomberg Distinguished Professor of Energy and Climate Justice at Johns Hopkins University and Fellow at the University of Oxford’s Institute for New Economic ...
www.oxfordclimatealumni.org
September 9, 2025 at 1:15 AM
#ArsenioHall
Things that make you go ’hmmm’
@housedemocrats.bsky.social
@housegop.bsky.social
@sanders.senate.gov
@aoc.bsky.social
Things that make you go ’hmmm’
@housedemocrats.bsky.social
@housegop.bsky.social
@sanders.senate.gov
@aoc.bsky.social
September 8, 2025 at 8:14 AM
#ArsenioHall
Things that make you go ’hmmm’
@housedemocrats.bsky.social
@housegop.bsky.social
@sanders.senate.gov
@aoc.bsky.social
Things that make you go ’hmmm’
@housedemocrats.bsky.social
@housegop.bsky.social
@sanders.senate.gov
@aoc.bsky.social
May every member of the US Congress @housedemocrats.bsky.social @housegop.bsky.social will read this open letter from the @nationalacademies.org about the critical role that true science and technology plays in our lives and future.
@johnshopkinssais.bsky.social
drive.google.com/file/d/1G9mN...
@johnshopkinssais.bsky.social
drive.google.com/file/d/1G9mN...
September 4, 2025 at 6:33 PM
May every member of the US Congress @housedemocrats.bsky.social @housegop.bsky.social will read this open letter from the @nationalacademies.org about the critical role that true science and technology plays in our lives and future.
@johnshopkinssais.bsky.social
drive.google.com/file/d/1G9mN...
@johnshopkinssais.bsky.social
drive.google.com/file/d/1G9mN...
madness.ghost.io/trump-worse-...
@johnshopkinssais.bsky.social @ucberkeleyofficial.bsky.social
@donaldjtrump-maga.bsky.social @maryltrump.bsky.social
@johnshopkinssais.bsky.social @ucberkeleyofficial.bsky.social
@donaldjtrump-maga.bsky.social @maryltrump.bsky.social
Trump is setting us up for a far worse climate future
How Donald Trump's actions have made the climate fight more difficult.
madness.ghost.io
August 21, 2025 at 3:07 PM
Hi All,
Claire and I hope that you will give our new podcast, EnergyMatters a listen
We'll be covering nuclear power, energy startups, Moore's Law, energy efficiency, energy access and justice ...
@ucberkeleyofficial.bsky.social @johnshopkinssais.bsky.social
sites.libsyn.com/589665/why-e...
Claire and I hope that you will give our new podcast, EnergyMatters a listen
We'll be covering nuclear power, energy startups, Moore's Law, energy efficiency, energy access and justice ...
@ucberkeleyofficial.bsky.social @johnshopkinssais.bsky.social
sites.libsyn.com/589665/why-e...
Energy Matters with Claire and Dan: Why Energy Matters
Hosts Dan Kammen and Claire Broido Johnson kick off Energy Matters with a candid look at the science, business, and urgency of the climate crisis. From clean cooking in Kenya ...
sites.libsyn.com
August 21, 2025 at 12:27 PM
Hi All,
Claire and I hope that you will give our new podcast, EnergyMatters a listen
We'll be covering nuclear power, energy startups, Moore's Law, energy efficiency, energy access and justice ...
@ucberkeleyofficial.bsky.social @johnshopkinssais.bsky.social
sites.libsyn.com/589665/why-e...
Claire and I hope that you will give our new podcast, EnergyMatters a listen
We'll be covering nuclear power, energy startups, Moore's Law, energy efficiency, energy access and justice ...
@ucberkeleyofficial.bsky.social @johnshopkinssais.bsky.social
sites.libsyn.com/589665/why-e...
We must do more than just say it
@forabettertomorrow.bsky.social
@donaldjtrump-maga.bsky.social
@maryltrump.bsky.social
@rpsagainsttrump.bsky.social
@rbreich.bsky.social
@workingclasshistory.com
@forabettertomorrow.bsky.social
@donaldjtrump-maga.bsky.social
@maryltrump.bsky.social
@rpsagainsttrump.bsky.social
@rbreich.bsky.social
@workingclasshistory.com
August 7, 2025 at 5:17 PM
New work on @sustainableenergy.bsky.social for healthcare in @africa.theconversation.com from our @johnshopkinssais.bsky.social @ucberkeleyofficial.bsky.social @dukepress.bsky.social and #DRCongo based offgridbox.com and www.rcha-rdc.org
Download here:
papers.ssrn.com/sol3/papers....
Download here:
papers.ssrn.com/sol3/papers....
The Power to Breathe: Electricity, Oxygen and Mortality in the Medical System of North Kivu, Democratic Republic of the Congo
Background: Oxygen is considered an essential medicine with no substitute to treat and/or prevent hypoxemia, associated with conditions accounting for approxima
papers.ssrn.com
August 6, 2025 at 9:43 PM
New work on @sustainableenergy.bsky.social for healthcare in @africa.theconversation.com from our @johnshopkinssais.bsky.social @ucberkeleyofficial.bsky.social @dukepress.bsky.social and #DRCongo based offgridbox.com and www.rcha-rdc.org
Download here:
papers.ssrn.com/sol3/papers....
Download here:
papers.ssrn.com/sol3/papers....
This fantastic science & engagement by @setiinstitute.bsky.social is such a double win: important work (see, for example the @unistellar.bsky.social @nasaexoplanets.extwitter.link @nasawebb.extwitter.link work with SETI) and a way for the public to see science in action.
@jameswebbdiscovery.com
@jameswebbdiscovery.com
From tracking a rare interstellar visitor to revealing hidden star systems, the SETI Institute is at the forefront of space science. Explore four recent stories showcasing our role in groundbreaking discoveries and global scientific collaboration. Read the stories: www.seti.org/news/seti-in... 🧪 🔭
August 6, 2025 at 9:32 PM
This fantastic science & engagement by @setiinstitute.bsky.social is such a double win: important work (see, for example the @unistellar.bsky.social @nasaexoplanets.extwitter.link @nasawebb.extwitter.link work with SETI) and a way for the public to see science in action.
@jameswebbdiscovery.com
@jameswebbdiscovery.com
This would be a great term, "Trumpanzee",
... but it does a huge disservice to our genetic relatives among the great apes.
Respect to (removed) @usarmy.bsky.social General Mark Milley
... but it does a huge disservice to our genetic relatives among the great apes.
Respect to (removed) @usarmy.bsky.social General Mark Milley
August 5, 2025 at 5:29 PM
This would be a great term, "Trumpanzee",
... but it does a huge disservice to our genetic relatives among the great apes.
Respect to (removed) @usarmy.bsky.social General Mark Milley
... but it does a huge disservice to our genetic relatives among the great apes.
Respect to (removed) @usarmy.bsky.social General Mark Milley
Irrespective of your politics, this saves money, creates jobs, on-shores technology capacity, and should be considered by all states (why California has not done this already is a mystery).
@calacademy.bsky.social @governor.ca.gov
@calacademy.bsky.social @governor.ca.gov
New York becomes first state to commit to all-electric new buildings.
The state finalized rules ensuring most new edifices will install electric heat pumps and stoves instead of gas appliances, lowering costs and improving air quality.
grist.org/energy/new-y...
#NewYork #NY #Climate #Buildings
The state finalized rules ensuring most new edifices will install electric heat pumps and stoves instead of gas appliances, lowering costs and improving air quality.
grist.org/energy/new-y...
#NewYork #NY #Climate #Buildings
New York becomes first state to commit to all-electric new buildings
The state finalized rules ensuring most new edifices will install electric heat pumps and stoves instead of gas appliances, lowering costs and improving air quality.
grist.org
August 4, 2025 at 5:22 PM
Irrespective of your politics, this saves money, creates jobs, on-shores technology capacity, and should be considered by all states (why California has not done this already is a mystery).
@calacademy.bsky.social @governor.ca.gov
@calacademy.bsky.social @governor.ca.gov
A useful & insightful assessment of the current status at the climate-development nexus.
www.dkn-future-earth.org/imperia/md/i...
Section 4.28 focuses on @cjaourpower.bsky.social @climate.skyfleet.blue climate & UN SDG goals
@futureearth.bsky.social @dfg.de @johnshopkinssais.bsky.social
www.dkn-future-earth.org/imperia/md/i...
Section 4.28 focuses on @cjaourpower.bsky.social @climate.skyfleet.blue climate & UN SDG goals
@futureearth.bsky.social @dfg.de @johnshopkinssais.bsky.social
August 4, 2025 at 3:23 PM
A useful & insightful assessment of the current status at the climate-development nexus.
www.dkn-future-earth.org/imperia/md/i...
Section 4.28 focuses on @cjaourpower.bsky.social @climate.skyfleet.blue climate & UN SDG goals
@futureearth.bsky.social @dfg.de @johnshopkinssais.bsky.social
www.dkn-future-earth.org/imperia/md/i...
Section 4.28 focuses on @cjaourpower.bsky.social @climate.skyfleet.blue climate & UN SDG goals
@futureearth.bsky.social @dfg.de @johnshopkinssais.bsky.social
As usual, @rbreich.bsky.social is spot on the greed at the top.
But is is only half the story. The depressingly accurate work by @gabrielzucman.bsky.social and Emmanuel Saez highlights how the ultra-rich now pay lower taxes than the poor.
Society koyaanisqatsi
www.nytimes.com/interactive/...
But is is only half the story. The depressingly accurate work by @gabrielzucman.bsky.social and Emmanuel Saez highlights how the ultra-rich now pay lower taxes than the poor.
Society koyaanisqatsi
www.nytimes.com/interactive/...
August 3, 2025 at 2:17 PM
As usual, @rbreich.bsky.social is spot on the greed at the top.
But is is only half the story. The depressingly accurate work by @gabrielzucman.bsky.social and Emmanuel Saez highlights how the ultra-rich now pay lower taxes than the poor.
Society koyaanisqatsi
www.nytimes.com/interactive/...
But is is only half the story. The depressingly accurate work by @gabrielzucman.bsky.social and Emmanuel Saez highlights how the ultra-rich now pay lower taxes than the poor.
Society koyaanisqatsi
www.nytimes.com/interactive/...
Several people have asked for the earlier paper (2 decades ago!) with @natehultman.bsky.social & @jgkoomey.mastodon.energy.ap.brid.gy at @atap.lbl.gov and @ucberkeleyofficial.bsky.social on nuclear costs in the US. The key figure is fellow.
doi.org/10.1021/es07...
@ferc.gov @nti.org @iea.org
doi.org/10.1021/es07...
@ferc.gov @nti.org @iea.org
August 3, 2025 at 2:09 PM
Several people have asked for the earlier paper (2 decades ago!) with @natehultman.bsky.social & @jgkoomey.mastodon.energy.ap.brid.gy at @atap.lbl.gov and @ucberkeleyofficial.bsky.social on nuclear costs in the US. The key figure is fellow.
doi.org/10.1021/es07...
@ferc.gov @nti.org @iea.org
doi.org/10.1021/es07...
@ferc.gov @nti.org @iea.org
We just published on clean cooking: "Powering the Future: Policies to Advance Equitable Clean Cooking Access for Health, Well-Being & Climate"
@cleancooking.bsky.social @sdgactioncampaign.org @cleanaircatf.bsky.social @hopkinspress.bsky.social
Open access at @acs.org
doi.org/10.1021/acs....
@cleancooking.bsky.social @sdgactioncampaign.org @cleanaircatf.bsky.social @hopkinspress.bsky.social
Open access at @acs.org
doi.org/10.1021/acs....
July 31, 2025 at 4:02 PM
We just published on clean cooking: "Powering the Future: Policies to Advance Equitable Clean Cooking Access for Health, Well-Being & Climate"
@cleancooking.bsky.social @sdgactioncampaign.org @cleanaircatf.bsky.social @hopkinspress.bsky.social
Open access at @acs.org
doi.org/10.1021/acs....
@cleancooking.bsky.social @sdgactioncampaign.org @cleanaircatf.bsky.social @hopkinspress.bsky.social
Open access at @acs.org
doi.org/10.1021/acs....
That is a key: the industry-regulatory bond is tight in @chinadigitaltimes.net - short-term
benefit possible long-term concern?
The related question is over cost dynamics: these are overnight costs and those of operation of young plants very different from later in life and of course at end of life
benefit possible long-term concern?
The related question is over cost dynamics: these are overnight costs and those of operation of young plants very different from later in life and of course at end of life
Interesting article in Nature suggests China has driven down nuclear power plant costs and kept them stable over two decades, beating the "cost escalation curse" with local supply chains and standardized designs.
I wonder how much is transferable to other country contexts.
I wonder how much is transferable to other country contexts.
July 28, 2025 at 7:11 PM
That is a key: the industry-regulatory bond is tight in @chinadigitaltimes.net - short-term
benefit possible long-term concern?
The related question is over cost dynamics: these are overnight costs and those of operation of young plants very different from later in life and of course at end of life
benefit possible long-term concern?
The related question is over cost dynamics: these are overnight costs and those of operation of young plants very different from later in life and of course at end of life
www.kqed.org/science/1997...
@kqednews.kqed.org @johnshopkinssais.bsky.social @ucberkeleyofficial.bsky.social
@kqednews.kqed.org @johnshopkinssais.bsky.social @ucberkeleyofficial.bsky.social
Forget Rooftops — Bay Area Residents Are Plugging Solar Into the Wall | KQED
A movement is growing to bring small, portable, affordable solar to a balcony or backyard near you. But before you see them everywhere, advocates must break through significant barriers.
www.kqed.org
July 28, 2025 at 5:36 PM