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
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
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
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
#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...
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
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
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....
In an excellent question from @chris8048.bsky.social on recent nuclear plant costs in France my co-author @shangwei-liu.bsky.social notes and corrects the record:
July 29, 2025 at 2:19 PM
In an excellent question from @chris8048.bsky.social on recent nuclear plant costs in France my co-author @shangwei-liu.bsky.social notes and corrects the record:
I am so pleased to see this recognition of the work that @NativeRenewables does for energy access, local capacity building & energy justice
An honor to serve on the board:
www.nativerenewables.org/who-we-are/o...
@nativeamericans.bsky.social
@iwrising.bsky.social
www.nytimes.com/2025/07/22/c...
An honor to serve on the board:
www.nativerenewables.org/who-we-are/o...
@nativeamericans.bsky.social
@iwrising.bsky.social
www.nytimes.com/2025/07/22/c...
July 24, 2025 at 12:12 AM
I am so pleased to see this recognition of the work that @NativeRenewables does for energy access, local capacity building & energy justice
An honor to serve on the board:
www.nativerenewables.org/who-we-are/o...
@nativeamericans.bsky.social
@iwrising.bsky.social
www.nytimes.com/2025/07/22/c...
An honor to serve on the board:
www.nativerenewables.org/who-we-are/o...
@nativeamericans.bsky.social
@iwrising.bsky.social
www.nytimes.com/2025/07/22/c...
Comments today on @bbcnewsnight.bsky.social @bbcscience.bsky.social on the true cost of clean versus dirty energy and the @donaldjtrump-maga.bsky.social rhetoric.
The data is all available at @iea.org.
@johnshopkinssais.bsky.social
The data is all available at @iea.org.
@johnshopkinssais.bsky.social
July 23, 2025 at 2:12 AM
Comments today on @bbcnewsnight.bsky.social @bbcscience.bsky.social on the true cost of clean versus dirty energy and the @donaldjtrump-maga.bsky.social rhetoric.
The data is all available at @iea.org.
@johnshopkinssais.bsky.social
The data is all available at @iea.org.
@johnshopkinssais.bsky.social
And let’s not forget how anti-American are the core actions of @HR1 - the Big Bastardized Bill of greed, @rbreich.bsky.social
July 6, 2025 at 4:40 PM
And let’s not forget how anti-American are the core actions of @HR1 - the Big Bastardized Bill of greed, @rbreich.bsky.social
#TexasFloods are awful, but there is no doubt that events like this massive marine heat wave are human-caused.
Votes for HR1 must be remembered as willful acts destroying the future of their own kids.
@senatebudget.bsky.social @hcrichardson.bsky.social @rbreich.bsky.social @katharinehayhoe.com
Votes for HR1 must be remembered as willful acts destroying the future of their own kids.
@senatebudget.bsky.social @hcrichardson.bsky.social @rbreich.bsky.social @katharinehayhoe.com
July 5, 2025 at 9:00 PM
#TexasFloods are awful, but there is no doubt that events like this massive marine heat wave are human-caused.
Votes for HR1 must be remembered as willful acts destroying the future of their own kids.
@senatebudget.bsky.social @hcrichardson.bsky.social @rbreich.bsky.social @katharinehayhoe.com
Votes for HR1 must be remembered as willful acts destroying the future of their own kids.
@senatebudget.bsky.social @hcrichardson.bsky.social @rbreich.bsky.social @katharinehayhoe.com
MAGa: Running a strong 3rd place, getting lapped, in North America @donaldjtrump-maga.bsky.social
@rbreich.bsky.social @booker.senate.gov
@rbreich.bsky.social @booker.senate.gov
June 26, 2025 at 10:57 PM
MAGa: Running a strong 3rd place, getting lapped, in North America @donaldjtrump-maga.bsky.social
@rbreich.bsky.social @booker.senate.gov
@rbreich.bsky.social @booker.senate.gov
Primate tool ‘use’ …
Truly, one of the best videos ever, with Sir David Attenborough’s expression priceless!
@bbcnewsnight.bsky.social
@orangutanlandtrust.bsky.social
@nature.com @natgeoclassics.bsky.social
Truly, one of the best videos ever, with Sir David Attenborough’s expression priceless!
@bbcnewsnight.bsky.social
@orangutanlandtrust.bsky.social
@nature.com @natgeoclassics.bsky.social
June 26, 2025 at 1:39 PM
Primate tool ‘use’ …
Truly, one of the best videos ever, with Sir David Attenborough’s expression priceless!
@bbcnewsnight.bsky.social
@orangutanlandtrust.bsky.social
@nature.com @natgeoclassics.bsky.social
Truly, one of the best videos ever, with Sir David Attenborough’s expression priceless!
@bbcnewsnight.bsky.social
@orangutanlandtrust.bsky.social
@nature.com @natgeoclassics.bsky.social
If you are in Washington DC today, June 25,
I hope you will join us at @johnshopkinssais.bsky.social for a
@harvard.edu Business School Club of DC event:
Climate: A Viewshed for Business - Investment & Policy
To register, click here:
www.hbsdc.org/s/1738/cc/21...
I hope you will join us at @johnshopkinssais.bsky.social for a
@harvard.edu Business School Club of DC event:
Climate: A Viewshed for Business - Investment & Policy
To register, click here:
www.hbsdc.org/s/1738/cc/21...
June 25, 2025 at 1:08 PM
If you are in Washington DC today, June 25,
I hope you will join us at @johnshopkinssais.bsky.social for a
@harvard.edu Business School Club of DC event:
Climate: A Viewshed for Business - Investment & Policy
To register, click here:
www.hbsdc.org/s/1738/cc/21...
I hope you will join us at @johnshopkinssais.bsky.social for a
@harvard.edu Business School Club of DC event:
Climate: A Viewshed for Business - Investment & Policy
To register, click here:
www.hbsdc.org/s/1738/cc/21...
An honor to meet with @africanunion.bsky.social
Commissioner for Infrastructure and Energy (I&E) Ms. Lerato Mataboge and her team at #AfricanEnergyForum in @capetownblog.bsky.social to discuss clean energy for health.
@ucberkeleyofficial.bsky.social @johnshopkinssais.bsky.social
Commissioner for Infrastructure and Energy (I&E) Ms. Lerato Mataboge and her team at #AfricanEnergyForum in @capetownblog.bsky.social to discuss clean energy for health.
@ucberkeleyofficial.bsky.social @johnshopkinssais.bsky.social
June 19, 2025 at 2:33 AM
An honor to meet with @africanunion.bsky.social
Commissioner for Infrastructure and Energy (I&E) Ms. Lerato Mataboge and her team at #AfricanEnergyForum in @capetownblog.bsky.social to discuss clean energy for health.
@ucberkeleyofficial.bsky.social @johnshopkinssais.bsky.social
Commissioner for Infrastructure and Energy (I&E) Ms. Lerato Mataboge and her team at #AfricanEnergyForum in @capetownblog.bsky.social to discuss clean energy for health.
@ucberkeleyofficial.bsky.social @johnshopkinssais.bsky.social
Wow … @pacerstalk.fr over @okcthunder.bsky.social when leading for only 0.3 seconds!
@highliburton.bsky.social is on fire late in the @nba.com
@highliburton.bsky.social is on fire late in the @nba.com
June 6, 2025 at 3:15 AM
Wow … @pacerstalk.fr over @okcthunder.bsky.social when leading for only 0.3 seconds!
@highliburton.bsky.social is on fire late in the @nba.com
@highliburton.bsky.social is on fire late in the @nba.com
Will be watching for the @northernlightsind.bsky.social from Princess Anne, @marylandmatters.org
@natastron.nature.com @apod.shinyakato.dev @neildegrassetyson.com
@natastron.nature.com @apod.shinyakato.dev @neildegrassetyson.com
June 2, 2025 at 4:48 PM
Will be watching for the @northernlightsind.bsky.social from Princess Anne, @marylandmatters.org
@natastron.nature.com @apod.shinyakato.dev @neildegrassetyson.com
@natastron.nature.com @apod.shinyakato.dev @neildegrassetyson.com
The latest from Spotlight Kampala:
doi.org/10.1016/j.er...
'Then electricity theft would end, nobody loves stealing': Community-based solutions for improving electricity access in informal settlements in Kampala, Uganda
@climateforumug.bsky.social @seforallorg.bsky.social @damilolasdg7.bsky.social
doi.org/10.1016/j.er...
'Then electricity theft would end, nobody loves stealing': Community-based solutions for improving electricity access in informal settlements in Kampala, Uganda
@climateforumug.bsky.social @seforallorg.bsky.social @damilolasdg7.bsky.social
May 25, 2025 at 1:42 PM
The latest from Spotlight Kampala:
doi.org/10.1016/j.er...
'Then electricity theft would end, nobody loves stealing': Community-based solutions for improving electricity access in informal settlements in Kampala, Uganda
@climateforumug.bsky.social @seforallorg.bsky.social @damilolasdg7.bsky.social
doi.org/10.1016/j.er...
'Then electricity theft would end, nobody loves stealing': Community-based solutions for improving electricity access in informal settlements in Kampala, Uganda
@climateforumug.bsky.social @seforallorg.bsky.social @damilolasdg7.bsky.social
So very very proud of this young lady Lara Kammen and her graduation in @datascience.bsky.social from @cornelluniversity.bsky.social and her move to @bloomberglp.bsky.social
May 23, 2025 at 9:15 PM
So very very proud of this young lady Lara Kammen and her graduation in @datascience.bsky.social from @cornelluniversity.bsky.social and her move to @bloomberglp.bsky.social