Joseph D. Ortiz
@earthsciinfo.bsky.social
NatGeo Explorer, Oceanographer, Climate Scientist; Env. Remote Sensing; Energy & Sustainability; husband, father #FirstGen, Views my own; Google scholar: https://scholar.google.com/citations?hl=en&user=qMBuSe4AAAAJ
The decisions we make in public policy have consequences. And when regional decisions intersect with global ones, climate change can exacerbate poor choices. The converse is true as well poor global decisions can have negative impacts on regional & local conditions. 🧪🔌💡☀️💨💧🔋
Amid a deepening ecological crisis and acute water shortage, Tehran can no longer remain the capital of Iran, the country’s president has said. www.scientificamerican.com/article/iran...
Iran’s Capital Is Moving. The Reason Is an Ecological Catastrophe
The decision to move Iran’s capital is partly driven by climate change, but experts say decades of human error and action are also to blame
www.scientificamerican.com
November 23, 2025 at 9:08 PM
The decisions we make in public policy have consequences. And when regional decisions intersect with global ones, climate change can exacerbate poor choices. The converse is true as well poor global decisions can have negative impacts on regional & local conditions. 🧪🔌💡☀️💨💧🔋
Loki’s 🐈⬛ favorite toy is his mouse friend. He carries mouse around the house and sings to announce that he’s found him 🐁!
Lately, he’s taken to putting mouse on the bed so that it can share the sunspot.
Lately, he’s taken to putting mouse on the bed so that it can share the sunspot.
November 23, 2025 at 9:02 PM
Loki’s 🐈⬛ favorite toy is his mouse friend. He carries mouse around the house and sings to announce that he’s found him 🐁!
Lately, he’s taken to putting mouse on the bed so that it can share the sunspot.
Lately, he’s taken to putting mouse on the bed so that it can share the sunspot.
Achievement unlocked 🔓 - Plumbing repair with just one trip to the hardware store. 💪 ifykyk.
November 23, 2025 at 8:33 PM
Achievement unlocked 🔓 - Plumbing repair with just one trip to the hardware store. 💪 ifykyk.
#COP30 has ended (perhaps) with a fizzle. #ClimateBrief provides this comprehensive summary. Let's hope the COP30 fire 🔥 was not a metaphor 🧪🔌💡☀️💨💧🔋 www.carbonbrief.org/cop30-key-ou...
COP30: Key outcomes agreed at the UN climate talks in Belém - Carbon Brief
A voluntary plan to curb fossil fuels, a goal to triple adaptation finance and new...
www.carbonbrief.org
November 23, 2025 at 5:28 PM
#COP30 has ended (perhaps) with a fizzle. #ClimateBrief provides this comprehensive summary. Let's hope the COP30 fire 🔥 was not a metaphor 🧪🔌💡☀️💨💧🔋 www.carbonbrief.org/cop30-key-ou...
As an #environmental #earthsystem #scientist, I've traveled the world studying climate & environmental issues. Hear about some of it on this #AmericaView #SpatialSignals podcast 🧪🔌💡☀️💨💧🔋 americaview.podbean.com/e/stuck-in-t...
Stuck In The Ice On An Icebreaker with Joe Ortiz | Spatial Signals
Joe Ortiz from Kent State University joins us to talk about using micro-fossils to learn about how climate changes over time, the Beaver-SCAT instrumentation, spending two months at sea in the North A...
americaview.podbean.com
November 23, 2025 at 1:21 PM
As an #environmental #earthsystem #scientist, I've traveled the world studying climate & environmental issues. Hear about some of it on this #AmericaView #SpatialSignals podcast 🧪🔌💡☀️💨💧🔋 americaview.podbean.com/e/stuck-in-t...
As @mzjacobson.bsky.social says, there are no miracles needed. We have almost all the tech required to address human-caused climate change. But @doctorvive.bsky.social is right. We need the courage to deploy those technologies as rapidly as possible. 🧪🔌💡☀️💨💧🔋 www.iea.org/reports/worl...
Setting the scene – World Energy Outlook 2025 – Analysis - IEA
World Energy Outlook 2025 - Analysis and key findings. A report by the International Energy Agency.
www.iea.org
November 23, 2025 at 11:47 AM
As @mzjacobson.bsky.social says, there are no miracles needed. We have almost all the tech required to address human-caused climate change. But @doctorvive.bsky.social is right. We need the courage to deploy those technologies as rapidly as possible. 🧪🔌💡☀️💨💧🔋 www.iea.org/reports/worl...
Hela is not having it. Happy Caturday!
November 22, 2025 at 7:02 PM
Hela is not having it. Happy Caturday!
Gas update: We've turned the gas back on for temps <20°F. We last used gas on 3/23/25 & deactivated our account on 4/9/25. Enbridge turned it back on 11/17/25. Our heat pump provided all our heating & cooling needs for 222 days with no gas backup (~60% of the year). 🧪🔌💡☀️💨💧🔋
November 22, 2025 at 1:17 PM
Gas update: We've turned the gas back on for temps <20°F. We last used gas on 3/23/25 & deactivated our account on 4/9/25. Enbridge turned it back on 11/17/25. Our heat pump provided all our heating & cooling needs for 222 days with no gas backup (~60% of the year). 🧪🔌💡☀️💨💧🔋
You may hear folks asking "What about India?" with respect to fossil fuel derived electricity. Well, for the 10 months of 2025 thus far, coal & gas use for electricity in India has decreased by 50 TWh, replaced by renewables & a *tiny* bit of nuclear. #FossilFuelsAreStrandedAssets 🧪🔌💡☀️💨💧🔋
An interesting snippet of information...
Electricity generation from coal in India has dropped in the first 10 months of 2025, with renewables covering for all the growth in electricity use.
Noting, growth in electricity use is rather low...
More figures: robbieandrew.github.io/india/
Electricity generation from coal in India has dropped in the first 10 months of 2025, with renewables covering for all the growth in electricity use.
Noting, growth in electricity use is rather low...
More figures: robbieandrew.github.io/india/
November 21, 2025 at 2:29 PM
You may hear folks asking "What about India?" with respect to fossil fuel derived electricity. Well, for the 10 months of 2025 thus far, coal & gas use for electricity in India has decreased by 50 TWh, replaced by renewables & a *tiny* bit of nuclear. #FossilFuelsAreStrandedAssets 🧪🔌💡☀️💨💧🔋
Fossil fuel cars are stranded assets. EVs are pulling ahead of internal combustion engine vehicles in the used market. 🧪🔌💡☀️💨💧🔋 www.carscoops.com/2025/11/evs-...
EVs Now Sell Faster Than Gas Cars In The Used Market | Carscoops
Used car prices are climbing again in 2025, and buyers are slowing down, though not when it comes to EVs
www.carscoops.com
November 17, 2025 at 12:13 AM
Fossil fuel cars are stranded assets. EVs are pulling ahead of internal combustion engine vehicles in the used market. 🧪🔌💡☀️💨💧🔋 www.carscoops.com/2025/11/evs-...
Electricity update - The cost of electricity is on the rise in our area. The reason here is because PJM has been slow to increase transmission & roll out new capacity for renewables as fossil fuel plants that are not competitive shut down. (Growth of data centers also contributes). 🧪🔌💡☀️💨💧🔋 🧵
November 16, 2025 at 4:07 PM
Electricity update - The cost of electricity is on the rise in our area. The reason here is because PJM has been slow to increase transmission & roll out new capacity for renewables as fossil fuel plants that are not competitive shut down. (Growth of data centers also contributes). 🧪🔌💡☀️💨💧🔋 🧵
Gas update: Seems I may be owing Kevin a dinner... It took us three phone calls & several week's wait to turn off our gas last spring. Then we had to dispute an estimated bill (from a smart meter!) that was 10x greater than our actual gas use. 🧪🔌💡☀️💨💧🔋 🧵
I'll wager a month's fixed gas fee that it's a helluva lot easier to start giving them money again than to stop!
though knowing utility websites and bureaucracy, that might be a risky bet...
though knowing utility websites and bureaucracy, that might be a risky bet...
November 16, 2025 at 12:22 PM
Gas update: Seems I may be owing Kevin a dinner... It took us three phone calls & several week's wait to turn off our gas last spring. Then we had to dispute an estimated bill (from a smart meter!) that was 10x greater than our actual gas use. 🧪🔌💡☀️💨💧🔋 🧵
Despite "vibe" reporting to the contrary, EV sales are growing at +8%. The *global* share of internal combustion vehicles continues to decline, replaced by hybrids, plug-in hybrids & BEVs. Car makers betting otherwise are selling buggy whips. 🧪🔌💡☀️💨💧🔋 electrek.co/2025/11/12/e...
EV sales *still* have not fallen, cooled, slowed or slumped. Media is lying to you.
After two years of headlines begging for failure, EV sales keep defying false media narratives that they are dropping, and continue to rise.
electrek.co
November 14, 2025 at 12:19 PM
Despite "vibe" reporting to the contrary, EV sales are growing at +8%. The *global* share of internal combustion vehicles continues to decline, replaced by hybrids, plug-in hybrids & BEVs. Car makers betting otherwise are selling buggy whips. 🧪🔌💡☀️💨💧🔋 electrek.co/2025/11/12/e...
Massive deployment of renewables are reducing emissions in China. Carbon emissions in China have been flat or falling for 18 months now from a peak in early 2024. 🧪🔌💡☀️💨💧🔋 www.carbonbrief.org/analysis-chi...
Analysis: China’s CO2 emissions have now been flat or falling for 18 months - Carbon Brief
China’s carbon dioxide (CO2) emissions were unchanged from a year earlier in the third quarter of 2025, extending a flat or falling trend that started in March 2024.
www.carbonbrief.org
November 11, 2025 at 5:14 PM
Massive deployment of renewables are reducing emissions in China. Carbon emissions in China have been flat or falling for 18 months now from a peak in early 2024. 🧪🔌💡☀️💨💧🔋 www.carbonbrief.org/analysis-chi...
Free International application day at KSU on Monday, December 1 from 12:00 a.m. to 11:59 p.m. EST! Enter the code KSUINTLDAY25 in the fee waiver section of the application. Start your application now; Submit on Dec. 1, 2025. For questions, email International Admissions at [email protected].
November 10, 2025 at 4:01 PM
Free International application day at KSU on Monday, December 1 from 12:00 a.m. to 11:59 p.m. EST! Enter the code KSUINTLDAY25 in the fee waiver section of the application. Start your application now; Submit on Dec. 1, 2025. For questions, email International Admissions at [email protected].
If you need more evidence that #FossilFuels are #StrandedAssets, look no further. China is the world leader on the #EnergyTransition to address #ClimateChange. 🧪🔌💡☀️💨💧🔋
The US is the world's largest oil and gas producer. Yet, "China is now making more money from exporting green technology than America makes from exporting fossil fuels."
China’s clean-energy revolution will reshape markets and politics
The world’s biggest manufacturer now has an interest in the world decarbonising
www.economist.com
November 7, 2025 at 12:53 PM
If you need more evidence that #FossilFuels are #StrandedAssets, look no further. China is the world leader on the #EnergyTransition to address #ClimateChange. 🧪🔌💡☀️💨💧🔋
October Electrification Update- We have now gone 7 mo. without using fossil gas at home. We'll turn the gas back on soon to cover temperatures <20°F, but the 3-season heat pump has managed just fine this year without gas. Here's my monthly update. 🧪💡🔌☀️💨💧🔋
November 6, 2025 at 10:08 PM
October Electrification Update- We have now gone 7 mo. without using fossil gas at home. We'll turn the gas back on soon to cover temperatures <20°F, but the 3-season heat pump has managed just fine this year without gas. Here's my monthly update. 🧪💡🔌☀️💨💧🔋
Congratulations to my undergraduate honors student, Leo Wible, who successfully defended his Senior Honors Thesis entitled: "Two Worlds, One Sun: What Hydrothermal Vents can Teach us about Life on Earth and Mars". 🧪 #MARS #CRISM #PlanetaryGeology
November 5, 2025 at 12:17 AM
Congratulations to my undergraduate honors student, Leo Wible, who successfully defended his Senior Honors Thesis entitled: "Two Worlds, One Sun: What Hydrothermal Vents can Teach us about Life on Earth and Mars". 🧪 #MARS #CRISM #PlanetaryGeology
Work with Kevin!
My department (Purdue Mechanical Engineering) is hiring a tenure-track assistant professor who works on energy (any subfield). Please feel free to share with students or postdocs who may be interested.
careers.purdue.edu/job/Assistan...
careers.purdue.edu/job/Assistan...
Assistant/Associate Professor of Mechanical Engineering - Energy
Assistant/Associate Professor of Mechanical Engineering - Energy
careers.purdue.edu
November 2, 2025 at 12:58 PM
Work with Kevin!
October Gas Update: Waiting for the electricity bill to come in, so here's some gas info. We shut off the gas in April & have now gone *7* months without using gas in our home here in NE Ohio. We also conducted a bit of an unplanned experiment last week. 🧪🔌💡☀️💨💧🔋 a 🧵
November 1, 2025 at 11:23 PM
October Gas Update: Waiting for the electricity bill to come in, so here's some gas info. We shut off the gas in April & have now gone *7* months without using gas in our home here in NE Ohio. We also conducted a bit of an unplanned experiment last week. 🧪🔌💡☀️💨💧🔋 a 🧵
1st training flight w/ our new, VisionAerial Switchblade Elite tri-copter mapping drone today. It's an impressive, American made rotorcraft with exceptional maneuverability & range. The payload is a Micasense RedEdge-P multispectral camera. Did mention the drone has retractable landing gear? 🧪
October 29, 2025 at 11:47 PM
1st training flight w/ our new, VisionAerial Switchblade Elite tri-copter mapping drone today. It's an impressive, American made rotorcraft with exceptional maneuverability & range. The payload is a Micasense RedEdge-P multispectral camera. Did mention the drone has retractable landing gear? 🧪
VOTE! Wherever you are in the US. Get out there and be heard.
October 28, 2025 at 11:56 PM
VOTE! Wherever you are in the US. Get out there and be heard.
Reposted by Joseph D. Ortiz
I want to glaze and fire these eight charts as ceramic wall tile accent pieces. They take the trends from the EIA data (2021 - 2025) and extrapolate them to a 100% clean energy grid for Texas by 2035. Seems doable.
October 27, 2025 at 2:06 PM
I want to glaze and fire these eight charts as ceramic wall tile accent pieces. They take the trends from the EIA data (2021 - 2025) and extrapolate them to a 100% clean energy grid for Texas by 2035. Seems doable.
Batteries are letting the sun shine at night, deep in the heart of Texas! Renewables are growing fast in ERCOT, and displacing fossil fuels. 🧪🔌💡☀️💨💧⚡🔋 Source: www.eia.gov/todayinenerg...
October 25, 2025 at 11:41 PM
Batteries are letting the sun shine at night, deep in the heart of Texas! Renewables are growing fast in ERCOT, and displacing fossil fuels. 🧪🔌💡☀️💨💧⚡🔋 Source: www.eia.gov/todayinenerg...
The headline here is that West Australia is reaching 84% renewables on a near daily basis, but perhaps the real story mentioned in there is that the Australian National Grid is now reaching nearly 79% generation. 🧪🔌💡☀️💨💧🔋 reneweconomy.com.au/death-of-bas...
reneweconomy.com.au
October 20, 2025 at 11:43 PM
The headline here is that West Australia is reaching 84% renewables on a near daily basis, but perhaps the real story mentioned in there is that the Australian National Grid is now reaching nearly 79% generation. 🧪🔌💡☀️💨💧🔋 reneweconomy.com.au/death-of-bas...