Aimee Witteman

Aimee Witteman

@aimeewitteman.bsky.social

Pro-housing decarb strategist. Midwest kid living in D.C.⚡️ Also posts on democracy, bikes, trail running, and Lake Superior shipwrecks. Personal Account.

16.7K followers1.8K following817 posts

A spectacular stretch! Get out there and enjoy it 🏃‍♀️🚲🍁☀️

Capital Weather@capitalweather.com

We're gonna run out of superlatives describing how nice our weather will continue to be in the DC area straight through the weekend. Today is a touch cooler than yesterday, but still plenty nice. Get the daily forecast details at capitalweather.com and the Capital Weather app. Photo by Jen Riskus

What if we could lower electricity rates by making better use of the grid we already have? New research shows how heat pumps can tap underutilized winter grid capacity, spreading infrastructure costs across more electricity sales while cutting emissions. #heatpumpnation rmi.org/resources/th...

rmi.orgThe Opportunity for Heat Pumps to Put Downward Pressure on Electricity RatesHow many US homes could add heat pumps within today’s winter grid headroom, and how that could lower electric rates and emissions.

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⚡Maryland and other U.S. states need to review their electricity rates to ensure they are fair for heat pumps. #HeatPump #EnergySky #ClimateSky #GreenSky #HVAC #EnergyAffordability #BuildingDecarbonization #CleanHeat #Maryland #ElectrifyEverything #UtilityRates #mdpol #EnergyPolicy #BuildingDecarb

Tony Sirna@sirnatony.bsky.social

Families are struggling with home energy bills and need solutions now. But outdated electricity rates are overcharging customers who use efficient heat pumps--$359/yr for BGE customers. Fairer rates would save people real $$. www.evergreencollaborative.com/policy-hub/m...

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When ISIS killed my friend James Foley on camera they put him in an orange jumpsuit as a direct reference to images of prisoners at Guantanamo Bay. Not fucking interested my government having a fucking propaganda CONVERSATION with tomorrow’s terrorists, thanks.

Drew Harwell@drewharwell.com

Hard to overstate how much Hegseth's execution stream mirrors the U.S. military's traditional description of ISIS propaganda: broadcast killings designed to send a message, strike fear and create a social media spectacle. Will almost certainly be repurposed by online terror cells

Beauty makes me hopeless. I don't care why anymore I just want to get away. When I look at the city of Paris I long to wrap my legs around it. - Anne Carson, Nobel Laureate

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please do not post photos of barbour jackets in early october if you're not also voting for policies to address global warming

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i remain so alarmed by all the discourse about how people can use AI to get good deals / fight wage theft / counteract extractive insurance practices that doesn’t acknowledge that — if you accept this works — the companies on the other side … also can use it to do the opposite?

Carl T. Bergstrom@carlbergstrom.com

Bizarrely, this is one of the six graphs illustrating "just how much we need A.I.".

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Sort of insane fact about how broken US urban planning is—America now spends more building *just the lights for roads and highways* than on all subways & ground mass transit combined Spending on roadway *pavement* is 18x transit spending

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Finally got time to go through the full report and it knocked my socks off. Cohesive argument that housing, insurance, energy, and transportation costs should be thought of as one interconnected issue, and we should tackle as a package by building smarter in low hazard areas at SCALE.

Aimee Witteman@aimeewitteman.bsky.social

New research! Solving the U.S. housing shortage can be a force multiplier for gigaton-scale emissions cuts and an affordable, resilient future. Thrilled to be a co-author on this new white paper from the newly launched Housing Multiplier Project. housingmultiplier.org/wp-content/u...

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For the most part, driving is super inefficient but at least it's really expensive and also quite dangerous.

A footnote to my Lyme story: my husband hunts deer because we have WAY too many in the DMV. I call venison hyper-local, climate-friendly protein with ecological benefits (a take that is not wildly popular in Takoma Park). But after my diagnosis, I have a new slogan: eat the deer, reduce the ticks.

Aimee Witteman@aimeewitteman.bsky.social

This recent NYT story on the rise of tick-borne illnesses hit very close to home when it was published last month. I’ve spent much of my career working on climate change. I didn’t expect one of its health impacts to become quite so personal. Consider this a PSA. www.nytimes.com/2026/08/20/m...

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So consider this a PSA: tick-borne illness is worth taking seriously - even if you never saw a tick or the classic bull’s-eye rash. The risk itself is changing. Climate isn’t the only factor but warming temperatures expand suitable tick habitat and lengthen the season when ticks are active.

When the doctor told me the blood test result, the irony wasn’t lost on me that I had spent years working on climate change without realizing that my own debilitating joint pain might be connected to one of its less visible health impacts.

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This went on for four years. Then this spring, I got shingles out of the blue and finally thought: something is really wrong. I got tested for allergies. Autoimmune diseases. The one thing that came back positive? Lyme disease.

In retrospect, it seems ridiculously obvious: lots of time in the woods. Mid-Atlantic. Joint pain. Spring flare-ups. But somehow, for four years, Lyme wasn’t the thing we checked. I took a course of antibiotics and, so far, the joint pain seems to have resolved.

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Starting in spring 2022, I began having increasingly bad joint pain. I’m a runner, so I’m accustomed to aches and pains. This was different tho - it slowly started affecting almost every joint. I assumed perimenopause, or arthritis, which runs in my family.

It became bad enough that it was one factor in my decision to leave DOE. I thought the stress and long days were making it worse. And it did improve when I slowed down. But the severe flare-ups kept returning and were especially bad in spring. I eventually stopped running and biked more instead.

In 2021, we moved from Minneapolis to the DC area when I joined the Biden administration at DOE. We spent as many weekends as we could in the Blue Ridge and Shenandoah - partly to unwind, partly to make sure our young daughters still grew up spending time in the woods like they had back home.

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My latest: Twice as fast and at half the cost: A geothermal startup is collaborating with one of the nation’s largest homebuilders to drive down the cost of tapping the subsurface for heating and cooling. link ⬇️

One of the things I love most about spending a week in NYC is taking the train back to DC, then the metro home and everything feeling comparably quaint and quiet and bucolic as my nervous system regulates

New research! Solving the U.S. housing shortage can be a force multiplier for gigaton-scale emissions cuts and an affordable, resilient future. Thrilled to be a co-author on this new white paper from the newly launched Housing Multiplier Project. housingmultiplier.org/wp-content/u...

housingmultiplier.orgHousing Multiplier ProjectThe Housing Multiplier Project works with states and localities to advance policies that solve the housing shortage faster and more cost effectively — and make housing a force multiplier for progress.

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Genuinely an insane paragraph from Sam Alito. “Voter fraud is real and scary and we have to stop it, so the fact that implementing Trump’s mail ballot rule will disenfranchise millions is legally irrelevant.” Brain melted. A right-wing podcaster in a robe. www.supremecourt.gov/opinions/25p...

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Agreed. I increasingly see this kind of argument invoked to argue against interventions like air conditioning in places where extreme heat events are increasingly leading to mass mortality. We no longer get to choose between adaptation & mitigation--we have to do both at an accelerating pace.

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