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Claire Zarakas

@czarakas.bsky.social

Climate scientist. Thinking about interactions between land, climate, and society & applying research to advance climate action Schmidt Science Fellow @carbonplan.org and @UCIrvine. Atmospheric Sciences PhD @UW. Opinions my own.

7 Posts556 Follower599 Folgt
Dr. Genevieve Guenther (she/they)@doctorvive.bsky.social · 5mo ago

In a preprint, researchers from Princeton, Hong Kong U, & WRI find that the form of carbon removal called "bioenergy w carbon capture & storage," or BECCS, is "likely to produce higher emissions for decades than using natural gas without carbon capture." This is a Big Deal because the IPCC... 1/3

Decades of Increased Emissions from Forest-Fueled BECCS Timothy Searchinger 1 ORCID Email Liqing Peng? Email Daniella Russi Charles Canham 4 ORCID へ 1 Princeton University, 2 Hong Kong University, 3 World Resources Institute, 4 Cary Institute for Ecosystem Studies This is a preprint; it has not been peer reviewed by a journal. V https://doi.org/10.21203/rs.3.rs-9038129/v1 This work is licensed under a CC BY 4.0 License Abstract Should climate policies encourage bioenergy with carbon capture and storage (BECCS) using wood from existing forests? Although mitigation pathways in integrated assessment models often rely on BECCS fueled by energy crops, European governments are moving to financially support BECCS sourced instead from existing forests. To estimate its emissions and financial costs, we develop a model that transparently tracks carbon flows from forest to end use and allows policymakers to easily alter assumptions. Modeling multiple wood- sourcing scenarios, we find that BECCS is unlikely to generate negative emissions within 150 years, is likely to produce higher emissions for decades than using natural gas without carbon capture and is likely to increase electricity costs by ~ 3.5-fold. Only limited improvements occur even if half of the wood comes from residues and half from fast-growing plantations. These results reflect that most emissions occur before the power plant and therefore cannot be captured, and that wood has twice the carbon intensity of natural gas and generates electricity less efficiently. These results counsel against emerging BECCS policies, and our easy-to-use model allows policymakers to evaluate results and different scenarios themselves.
Claire Zarakas@czarakas.bsky.social · 5mo ago

Today is the deadline to respond to NSF's Dear Colleague Letter about restructuring NCAR -- there is still time to submit comments by emailing NSF_NCAR@nsf.gov! www.nsf.gov/funding/info...

CarbonPlan@carbonplan.org · 5mo ago

NCAR is the backbone of Earth system science in the US and a global leader in open climate research. It directly supports our mission. Alongside a wide range of peers in the scientific research community, we submitted a letter to NSF strongly opposing any efforts to dismantle or restructure NCAR.

CarbonPlan@carbonplan.org · 5mo ago

NCAR is the backbone of Earth system science in the US and a global leader in open climate research. It directly supports our mission. Alongside a wide range of peers in the scientific research community, we submitted a letter to NSF strongly opposing any efforts to dismantle or restructure NCAR.

files.carbonplan.org

Abigail Swann, PhD@ecoclimatelab.bsky.social · 5mo ago

I'd love to talk to prospective postdocs who are thinking about the role of land in the climate system about applying! If that's you please reach out!

Abigail Swann, PhD@ecoclimatelab.bsky.social · 5mo ago

Postdoc Fellowship opportunity! UW Program on Climate Change has a new for a Postdoctoral Scholar program for fellows to develop and conduct novel climate science research that benefits from collaborations at UW. Apply by April 15th! pcc.uw.edu/research/fun...

Dr. Jonathan Foley@globalecoguy.bsky.social · 6mo ago

FELLOWSHIP! We’re proud to announce the launch of the Climate Science Serving America fellowship, open to early- and mid-career scientists & engineers who work on climate solutions. Full salary, benefits, and a research stipend. Remote anywhere in the United States. drawdown.org/news/project...

Project Drawdown launches Climate Science Serving America Fellowship to support scientists working in the public good

Fellowship seeks early- to mid-career researchers based in America who are committed to science and public expertise

drawdown.org

Dan Visioni@danvisioni.bsky.social · 6mo ago

It has warmed my hearth to see we have reached over 200 signatures here :) Thank you to everyone who has put their name down. As this is picking up steam, together with other initiatives, and with some UCAR representatives, we're trying to make sure this reaches the general public, congress & NSF.

Dan Visioni@danvisioni.bsky.social · 6mo ago

We already have over 40 signatures from US researchers and professors supporting NSF-NCAR and telling NSF to maintain control of the NCAR-Wyoming Supercomputer with NCAR! Do sign and share.

CarbonPlan@carbonplan.org · 7mo ago

Most carbon removal projects don’t pull CO₂ from the atmosphere instantly — there are temporal lags. We contributed to a new preprint showing why accounting for lags matters for both near-term warming and long-term temperature stabilization. 1/2 carbonplan.org/blog/cdr-tem...

The need to consistently account for time in CDR – CarbonPlan

We collaborated on a new preprint that establishes clearer language for talking about temporal lags in CDR, and shows how ignoring them can drive near-term warming.

carbonplan.org

The Weather & Climate Livestream@wclivestream.bsky.social · 7mo ago

#SaveNCAR Update: CO Senators aren't backing down on NCAR protections, so now is the time to call your representatives and force the amendment to a vote: wclivestream.com/act/

Alan Gerard@wxmanms1.bsky.social · 7mo ago

In the politics of weather, Senate majority leader Thune attempts to lock down the federal science funding bill "as is" and prevent amendments like the NCAR one being pushed by CO senators. In actual wx, tracking a highly unusual Jan. tropical disturbance in the EastPac. tinyurl.com/48kbkpza

Schmidt Science Fellows@schmidtfellows.bsky.social · 11mo ago

Philanthropy is vital in advancing the science needed to address global challenges. Our co-founder @wendyschmidt.bsky.social is an inspiring example. Thank you for your unwavering support for science @schmidtocean.bsky.social @schmidtsciences.bsky.social www.forbes.com/sites/elisab...

Why Billionaire Wendy Schmidt Is ‘Doubling Down’ On Climate Science In The Age Of Trump

How billionaire Wendy Schmidt became a crucial funder of science and climate research amid political rollbacks—backing ocean discovery, data access, and storytelling.

forbes.com

Shannon Osaka@shannonosaka.bsky.social · 11mo ago

It's not your imagination: Wildfire smoke in the U.S. has dramatically worsened since 2019. According to a new study, it's already killing 41,000 people a year - and it's poised to get much worse. new from me @johnmuyskens.bsky.social and @sadbumblebee.buzz www.washingtonpost.com/climate-envi...

Record wildfire smoke kills more people each year than car crashes. It’s about to get worse.

The past six summers have been the smokiest on record. New research shows that smoke could become the costliest consequence of climate change for Americans.

washingtonpost.com

Jim Randerson@jimranderson.bsky.social · 11mo ago

I'm happy to share a paper in Science Advances that makes the case for a weak land carbon sink, drawing upon JPL and Chloris biomass time series. To close the budget with a net land sink of 0.8 Pg C/y from 2000-2019, we propose increases in the ocean sink and decreases in fossil fuel emissions.

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Margaret Evans@mekevans.bsky.social · last yr.

A synthetic paper about fast vs. slow responses of ecological systems to changing climate, explaining how and why those responses can shift (even in sign) over time. Examples across scales and subdiscplines (population genetics, ecosystem ecology). besjournals.onlinelibrary.wiley.com/doi/10.1111/...

Ecological acclimation: A framework to integrate fast and slow responses to climate change

Read the free Plain Language Summary for this article on the Journal blog.

besjournals.onlinelibrary.wiley.com

CarbonPlan@carbonplan.org · last yr.

There’s an ongoing debate over what should “count” as CO₂ removal. In a new commentary with @hausfath.bsky.social, we break down key points of contention, proposed definitions, and why no definition offers a perfect path forward. (1/5) carbonplan.org/research/def...

“What is CDR?” is the wrong question – CarbonPlan

We summarize the ongoing debate around what “counts” as CDR, highlighting the trade-offs of each proposed definition. We suggest an alternative set of questions that can provide a more meaningful guid...

carbonplan.org

Shane Coffield@shanecoffield.bsky.social · last yr.

"Others found the financial enticements to leave insulting. 'I don’t work here for the fucking money,' said one longtime agency employee who works on air pollution. 'I work here because I believe in it, and I want to serve the public.'"

Sharon Lerner@fastlerner.bsky.social · last yr.

New: A glimpse inside the EPA, where the 20+ workers I spoke with are sad, terrified, resigned and, in not a few cases, really, really mad. www.propublica.org/article/epa-...

Philip Boucher-Hayes@philipb-h.bsky.social · 2y ago

The extent of Storm #Eowyn’s impact on forests cannot be seen properly from the ground. This drone footage taken today above a stand I visited in Meath shows how wind hardened trees around the edge remain standing while the centre has been flattened.