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Ana Unruh Cohen, PhD

@anauc.bsky.social

Personal account of a DC climate scientist, policy wonk, politico, mom, cat servant & occasional poet ❤️🧑‍🧑‍🧒🐈📚⚽️🦉🌲🏔️🌎

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Jeff Goodell@jeffgoodell.bsky.social · 3d ago

Nobody was talking about climate in this election, but climate won big last night in Texas. Why? Let me tell you about my one and only encounter with the new governor of Texas: A year or so ago, I was invited to speak at a backyard event in Austin for a local environmental group....

Stephen Wolf@stephenwolf.bsky.social · 3d ago

HISTORIC WIN: Democrats are on track to fully control government in states with 52% of the population—their first majority since the 1978 elections. Republicans will drop to just 24%. Dems may fall just short in the GA, NC, and TX senates due to gerrymandering—these would have added another 16%

Map titled “Projected Partisan Control Over State Governments After 2027” from The Downballot. Each state is sized by its 2020 census population and colored by which party controls its government. Full control means the party holds the governorship and legislative majorities. States with divided government where one party holds veto-proof majorities are shown with stripes, since that party has effective control. Population percentages are calculated using 2025 state population estimates. Proportion of population by category: Fully Democratic: 52% Arizona: 2.2% California: 11.5% Colorado: 1.8% Connecticut: 1.1% Delaware: 0.3% Hawaii: 0.4% Illinois: 3.7% Maine: 0.4% Maryland: 1.8% Massachusetts: 2.1% Michigan: 3.0% Minnesota: 1.7% Nevada: 1.0% New Jersey: 2.8% New Mexico: 0.6% New York: 5.9% Oregon: 1.3% Pennsylvania: 3.8% Rhode Island: 0.3% Virginia: 2.6% Washington: 2.3% Wisconsin: 1.8% Democratic veto-proof majorities with Republican governor: 0.2% Vermont: 0.2% Divided Government: 22% Alaska: 0.2% Georgia: 3.3% Iowa: 0.9% Kansas: 0.9% New Hampshire: 0.4% North Carolina: 3.3% Ohio: 3.5% Texas: 9.3% Republican veto-proof majorities with Democratic governor: 1% Kentucky: 1.4% Fully Republican: 24% Alabama: 1.5% Arkansas: 0.9% Florida: 6.9% Idaho: 0.6% Indiana: 2.0% Louisiana: 1.4% Mississippi: 0.9% Missouri: 1.8% Montana: 0.3% Nebraska: 0.6% North Dakota: 0.2% Oklahoma: 1.2% South Carolina: 1.6% South Dakota: 0.3% Tennessee: 2.1% Utah: 1.0% West Virginia: 0.5% Wyoming: 0.2%
Stephen Wolf@stephenwolf.bsky.social · 3d ago

Heading into the 2026 elections, Democrats had full control over government in states with 39% of the population. Republicans had full control for 42%

Map titled “Partisan Control Over State Governments in 2026” from The Downballot. Each state is sized by its 2020 census population and colored by which party controls its government. Full control means the party holds the governorship and legislative majorities. States with divided government where one party holds veto-proof majorities are shown with stripes, since that party has effective control. Population percentages are calculated using 2025 state population estimates. Proportion of population by category: Fully Democratic: 39% California: 11.5% Colorado: 1.8% Connecticut: 1.1% Delaware: 0.3% Hawaii: 0.4% Illinois: 3.7% Maine: 0.4% Maryland: 1.8% Massachusetts: 2.1% New Jersey: 2.8% New Mexico: 0.6% New York: 5.9% Oregon: 1.3% Rhode Island: 0.3% Virginia: 2.6% Washington: 2.3% Democratic veto-proof majorities with Republican governor: 0% None Divided Government: 17% Alaska: 0.2% Arizona: 2.2% Michigan: 3.0% Minnesota: 1.7% Nevada: 1.0% North Carolina: 3.3% Pennsylvania: 3.8% Vermont: 0.2% Wisconsin: 1.8% Republican veto-proof majorities with Democratic governor: 2% Kansas: 0.9% Kentucky: 1.4% Fully Republican: 42% Alabama: 1.5% Arkansas: 0.9% Florida: 6.9% Georgia: 3.3% Idaho: 0.6% Indiana: 2.0% Iowa: 0.9% Louisiana: 1.4% Mississippi: 0.9% Missouri: 1.8% Montana: 0.3% Nebraska: 0.6% New Hampshire: 0.4% North Dakota: 0.2% Ohio: 3.5% Oklahoma: 1.2% South Carolina: 1.6% South Dakota: 0.3% Tennessee: 2.1% Texas: 9.3% Utah: 1.0% West Virginia: 0.5% Wyoming: 0.2%
Kevin J. Kircher@kevinjkircher.com · 4d ago

I modeled the potential economic and environmental impacts of BAAJA, the permitting bill the Senate will soon vote on. Under assumptions that I consider plausible, BAAJA likely increases domestic greenhouse gas emissions and domestic mortality attributable to air pollution. kevinjkircher.com/baaja/

Bar graph of annual energy-related greenhouse gas emissions, in units of gigatonnes of carbon dioxide equivalent (CO2e), in 2025 (blue bars) and in 2025 if BAAJA had been in full effect. From left to right, bar pairs show CO2e emissions from domestic fossil fuel direct use, domestic electricity generation, domestic methane from fossil fuel production, and fossil fuel exports (not included in the paper's central emission estimates). Bar heights are means; error bars span 2.5th to 97.5th percentiles. Caption: On average, BAAJA increases total domestic CO2e emissions, domestic CO2 emissions from fossil fuel direct use, domestic CO2 emissions from fossil fuel electricity, domestic CH4 emissions from fossil fuel production, and CO2 emissions associated with exported fossil fuels by 2.3%, 1.8%, 1.8%, 5%, and 30%, respectively.
Carnegie Europe@carnegieeurope.bsky.social · last yr.

🆕 | As the effects of climate change intensify, interest in geoengineering approaches is ramping up. But these methods risk creating new ecological & security threats, warn @olazard.bsky.social, @mandibissett.bsky.social, & @jamesgdyke.info. carnegieendowment.org/research/202...

Geoengineering: Assessing Risks in the Era of Planetary Security

As the effects of climate change intensify, interest in geoengineering approaches is ramping up. But these methods risk creating new ecological and security threats, undermining urgent systemic transi...

carnegieendowment.org

Aman Batheja@amanbatheja.bsky.social · 4d ago

👀 “Tuesday’s elections could have a major—yet largely overlooked—consequence for American democracy: Democrats could gain control of enough state governments to pass an agreement that would require the president to be elected by popular vote.” Via @the-downballot.com

How Tuesday’s elections could lead to the president getting elected by popular vote

Democrats need to win just a handful of states to activate a long-awaited agreement

the-downballot.com

Daniel Swain@weatherwest.bsky.social · 4d ago

A record-breaking marine heatwave continues along the CA coast. Remarkably, as readings from Scripps Pier in La Jolla illustrate, the usual seasonal cycle (i.e., ocean cooling as summer transitions into winter) is completely absent--with ~75F water temperatures now into November!

Time series plot from Scripps/UCSD showing daily 2026 ocean surface temperatures. Over 60 days so far this year have been record warm, with virtually all recent days being well above historical records for the date as no seasonal cooling at all has yet been observed despite rapid cooling usually beginning in September. It is a remarkable graphic.