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 11m ago
Heat and Learning
R. Jisung Park 5d 1 tweets
Title: Heat and Learning Authors: R. Jisung Park, Joshua Goodman, Mike Hurwitz, and Jonathan Smith Journal: (forthcoming) American Economic Journal: Economic Policy Latest draft here Abstract We pr…
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David Keith Finally had a look at terrific paper from Jisung Park, . Heat slows learning. Think about implications for poor people in a hot world. Full paper: Press: 5d
Kids learn less on hot days. Global warming is making it worse
Nsikan Akpan - PBS NewsHour 40d 5 tweets
Every 1-degree-Fahrenheit increase in average temperature reduces student learning by 1 percent, a study finds.
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David Keith Finally had a look at terrific paper from Jisung Park, . Heat slows learning. Think about implications for poor people in a hot world. Full paper: Press: 5d
One Thing You Can Do: Talk to Your Children About Climate Change
Nytimes.com 5d 2 tweets
Also this week, how we captured the stark beauty of ghost forests.
David Keith A well-intentioned article that seems to miss the lesson of the hour: Listen to your children. 5d
New consortium brings together solar geoengineering modeling experts | NCAR & UCAR News
News.ucar.edu 48d 3 tweets
David Keith Small but important step to improve collaboration and research prioritization for solar geoengineering modeling. Great to have NCAR taking the lead 48d
Harvard Project to Address Uncertainties in Solar Geoengineering
Seas.harvard.edu 78d 2 tweets
Harvard University researchers have launched a new project, the Stratospheric Controlled Perturbation Experiment (SCoPEx), to explore precisely how particulate matter interacts with the Earth’s upper
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David Keith 1/2 SCoPEx advisory committee announced. See Harvard press release , Statement by committee chair here: And news coverage here: 78d
SCoPEx Advisory Committee Statements
Projects.iq.harvard.edu 78d 1 tweets
FOR IMMEDIATE RELEASEJuly 29, 2019 Statement from Louise Bedsworth, PhD, Executive Director, California Strategic Growth Council On Serving as Chair of the Advisory Committee for the SCoPEx Project Sacramento, CA--I look forward to working with...
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David Keith 1/2 SCoPEx advisory committee announced. See Harvard press release , Statement by committee chair here: And news coverage here: 78d
Geoengineering is very controversial. How can you do experiments? Harvard has some ideas.
James Temple - MIT Technology Review 78d 8 tweets
A new committee will consider the wisdom of outdoor experiments, and may set the stage for more.
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David Keith 1/2 SCoPEx advisory committee announced. See Harvard press release , Statement by committee chair here: And news coverage here: 78d
Antitrust regulators are using the wrong tools to break up Big Tech
Tim O'Reilly - Quartz 90d 10 tweets
Google and Amazon have stripped us of making our own choices—but they’ve done a great job of convincing us otherwise.
David Keith On an O'Riley kick today . This analysis of how Google is gradually taking over its search results is frightening. The best recent article I've read on regulating Big Tech. See the closing specific advice to regulators. 87d
TFTRH #13: Professor David Keith – Geoengineering Research and the Chemtrails Conspiracy Theory
YouTube 93d 1 tweets
David Keith is Gordon McKay Professor of Applied Physics and Professor of Public Policy at Harvard University. He is also executive chairman of Carbon Engine...
‎Tales From The Rabbit Hole: Episode 13 – Professor David Keith – Geoengineering Research and the Chemtrails Conspiracy Theory on Apple Podcasts
Apple Podcasts 93d 1 tweets
‎Show Tales From The Rabbit Hole, Ep Episode 13 – Professor David Keith – Geoengineering Research and the Chemtrails Conspiracy Theory - Jul 13, 2019
Episode 13 – Professor David Keith – Geoengineering Research and the Chemtrails Conspiracy Theory – Tales From The Rabbit Hole
Tftrh.com 93d 1 tweets
Government of Canada invests $25m in clean energy technology that creates fuel from air
Carbon Engineering 112d 2 tweets
Investment in Carbon Engineering will progress technologies that can help Canada realize its economic and environmental goals, while providing low carbon fuels to consumers. SQUAMISH, British Columbia (June 25, 2019) – The Honourable Jonathan...
Negative emotional contagion and cognitive bias in common ravens (Corvus corax)
PNAS 133d 3 tweets
To successfully and efficiently live in social groups, we need information about each other’s emotions. Emotional contagion has been suggested to facilitate such information transmission, yet it remains difficult to measure this in animals. Previous...
David Keith Choose your title: "Negative emotional contagion and cognitive bias in common ravens (Corvus corax) " Or, as puts it: "A sad raven bums out its friends" Either way, this long-time Raven lover loved it. 116d
A sad raven bums out its friends
Scott K. Johnson - Ars Technica 145d 2 tweets
Experiment shows how emotions can spread between birds.
David Keith Choose your title: "Negative emotional contagion and cognitive bias in common ravens (Corvus corax) " Or, as puts it: "A sad raven bums out its friends" Either way, this long-time Raven lover loved it. 116d
Can Geoengineering Stop Climate Change?
David Pakman Show - The Ring of Fire Network 119d 1 tweets
David Keith, Professor of Engineering and Public Policy at Harvard University, joins David Pakman to discuss solar geoengineering and how emerging technology could manipulate the environment, partially offsetting the effects of climate change.
Tiny meteorites are everywhere. Here’s how to find them.
YouTube 123d 1 tweets
Tons of tiny meteorites fall to Earth every day, but are next to impossible to find once they land. At least, that’s what the science community thought. In t...
David Keith Just a smile-inducing story of science + art. How to find tiny meteorites on your roof. Nothing more. via 123d
Trump administration pushed to strip mention of climate change from Arctic policy statement
Washingtonpost.com 166d 4 tweets
The administration objected to language that, while nonbinding, could be read as a collective commitment to address the effects of climate change in the Arctic, diplomats said.
David Keith Trump administration strips references to climate change from Arctic report: Not yet reported on is fact that climate was also cut from new Coast Guard Arctic Strategy: Fine to disagree about facts -- dead wrong to hide them 166d
US conservatives aren’t coming to help on climate change anytime soon
David Roberts - Vox 172d 9 tweets
A new report examines the climate right. It doesn’t find much.
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David Keith Heartbreaking long form take on prospects for conservative action on climate from , up to Dave Roberts' usual standards: smart, data-driven, thoughtful: via 172d
Time for a Technical Fix? The Science and Ethics of Solar Geoengineering | Radius
Radius.mit.edu 173d 1 tweets
GEOENGINEERING: Is manipulating the sun a 'crazy idea'? Top experts debate
Chelsea Harvey - Eenews.net 176d 2 tweets
The possibility of solar geoengineering may have once resembled a plot line from a science fiction movie.
David Keith IQ squared debate on solar #geoengineering, interesting overview article from at E&E news: 176d