David Keith
Working on science & policy of climate since ~350 ppm. Technology and policy of solar geoengineering. Also, wilderness travel & environmental activism.
Last synced from Twitter 6m ago
The Radical Solution Tucked Into the House Democrats' New Climate Plan
Rolling Stone 31h 8 tweets
Does geoengineering have a place in our policy toolbox?
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David Keith Great to have writing geoengineering again. A few quibbles down this tweet string... via 29h
Solar Geoengineering Resources
Keith.seas.harvard.edu 7d 1 tweets
We are often asked if we could share non-technical readings and videos that provide background on solar geoengineering. The following list concentrates on statements or reports from institutions, as well as pieces we see as particularly good...
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David Keith My group build a new webpage with some background info on solar geoengineering. Shaped by our biases, but perhaps a useful starting point nevertheless. 7d
What Is the Predictability Limit of Midlatitude Weather? | Journal of the Atmospheric Sciences | American Meteorological Society
Journals.ametsoc.org 8d 1 tweets
David Keith 1/2 Improvement of weather forecasts--a slow triumph of collaborative human effort over chaos. 7 day forecasts now as good as 5 day fcasts in about 20 years ago. 8d
Trump Is Feeding America’s Coronavirus Nightmare
Nicholas Kristof - Nytimes.com 9d 18 tweets
“It’s going away” only in the president’s delusion.
David Keith See also Nicholas Kristof terrific op-ed: 2/2 8d
Civil Rights Law Protects Gay and Transgender Workers, Supreme Court Rules
Adam Liptak - Nytimes.com 18d 80 tweets
The court said the language of the Civil Rights Act of 1964, which prohibits sex discrimination, applies to discrimination based on sexual orientation and gender identity.
David Keith 1. Happy as proud parent of trans daughter who may work in the US. 2. Relived that the supreme court did thing. (& Happy daughter's assumption that US gov was captured by right-wing nutjobs not 100% true) 18d
MIT, guided by open access principles, ends Elsevier negotiations
MIT News 22d 58 tweets
Institute ends negotiations for a new journals contract in the absence of a proposal aligning with the MIT Framework for Publisher Contracts.
David Keith A bit of good news albeit inconsequential beside today's politics. MIT strikes a blow for open access against the Death Star AKA Elsevier. 22d
In Wake of George Floyd’s Death, Black Professionals Talk Race, Work
Wsj.com 23d 4 tweets
The killing of George Floyd on May 25 sparked protests over police brutality and systemic racism. WSJ’s Darren Everson spoke with black professionals to discuss their experiences and what changes they’d like to see. Photo illustration: Adele Morgan
David Keith On this #ShutDownAcademia day #ShutDownSTEM I am looking for ideas about how to make things better at my workplace. I appreciated was this long-form discussion among a diverse group of black professionals 23d
About - SCoPEx Advisory Committee
SCoPEx Advisory Committee 30d 2 tweets
Welcome to the SCoPEx Advisory Committee website. This information is intended to provide transparency into the work of the SCoPEx Advisory Committee and to serve as an invitation to interested parties to engage with the Committee as we move forward...
David Keith The SCoPEx advisory committee has just launched their website with some public details about mandate and process: . (FYI the main SCoPEx site is here: ) 28d
Van Hits Multiple People at Two Locations in Toronto, Police Say
Ian Austen, Liam Stack - Nytimes.com 802d 17 tweets
About eight to 10 people were injured, and some of them were feared dead. The driver was in custody.
David Keith 3/n Watch a Toronto cop arrest a guy who killed 10 in a rampage and wanted to be shot: That's de escalation training. Police culture is about training and management. It's set from the top. It can be fixed. 33d
Bob & Doug McKenzie - Twist-off Tops
YouTube 363d 2 tweets
Also, a tip on how to help the economy by putting more alcohol in American beer
David Keith Proud day with "Bob and Doug" about to "take off eh!" 🇨🇦 See a slightly younger Bob and Doug analyze the physics and metaphysics of beer caps and the strength of American beer 37d
Alberta in the Energy Crisis - Episode III, The Investor Visits - with special guest
Eventbrite 44d 1 tweets
A time of crisis offers a chance to ... divest? Join Ed, Sara, David and their first ever guest – economist, investor and author Peter Tertzakian – for another live webinar. Norway’s gargantuan sovereign wealth fund recently divested from four...
‎Resources Radio on Apple Podcasts
Apple Podcasts 129d 3 tweets
‎Government · 2020
Alberta in the Energy Crisis - Episode II, Planet of the Zoomin’
Eventbrite 57d 1 tweets
A time of crisis offers a chance to ... watch really bad movies. While "Planet of the Humans" may be "deeply useless" according to one careful review, it is also reminder that there are hard questions about the transition to carbon-free power in...
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David Keith Alberta in the Energy Crisis the sequel - Planet of the Zoomin AKA 57d
Estimating Impacts and Trade‐offs in Solar Geoengineering Scenarios With a Moist Energy Balance Model
AGU Journals 75d 2 tweets
Simple energy balance models can build intuition for the climate system's response to solar radiation management, complementing GCM studies. The most effective latitudinal profile of insolation red...
an Alberta Premium WHiSKEY Webinar default eb58396e
YouTube 71d 3 tweets
David Keith Alberta's crisis, join , and me for a discussion: an an Alberta Premium WHiSKEY Webinar default eb58396e via 71d
David Keith 2 min promo vid 69d
David Keith 52d
an Alberta Premium WHiSKEY* Webinar
Panopto 71d 1 tweets
David Keith Join and me for an an Alberta Premium WHiSKEY* Webinar about Alberta's future Tuesday, Apr. 28 at 11AM MT. My 2min promo video here: 71d
Alberta in the energy crisis
Eventbrite 71d 3 tweets
A time of crisis offers a chance to rethink. Alberta has a double crisis. What do you think we should do? Join Ed, Sara and David for a live webinar, during which they will discuss the challenges - and opportunities - facing Alberta's oil and gas...
David Keith Join and me for an an Alberta Premium WHiSKEY* Webinar about Alberta's future Tuesday, Apr. 28 at 11AM MT. My 2min promo video here: 71d
David Keith Alberta's crisis, join , and me for a discussion: an an Alberta Premium WHiSKEY Webinar default eb58396e via 71d
Full professor "Electrochemical processes and equipment for CO2 capture and conversion"
TU Delft - AcademicTransfer 71d 1 tweets
Decarbonisation of the power and industry sectors is an urgent societal challenge and can partly be achieved by extensive electrification, based on renewable energy sources and CO2 utilisation. Power-to-hydrocarbon technologies have the potential...
David Keith Jan Boersma tells me "My department has an open position for a full professor (tenured) on direct air capture of CO2 from the atmosphere". Wow! I would not have expected this in a decade ago. 71d
Results for Colleges, universities, and junior colleges
Eiolca.net 71d 1 tweets
David Keith EIO-LCA allows you to compute the sector-by-sector emissions (or other environmental impacts) for money spent in a given sector. Play with the model 71d
Harvard Faculty Mixed on Carbon-Neutral Endowment Commitment | News | The Harvard Crimson
Thecrimson.com 73d 2 tweets
Though most faculty members support the University’s commitment to net-zero greenhouse gas emissions from its endowment by 2050, they are divided over whether the plan — announced on Tuesday — goes far enough.