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David Keith

David Keith

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David Keith, a professor of applied physics at Harvard’s School of Engineering and Applied Sciences (SEAS) and a professor of public policy at Harvard’s Kennedy School of Government, is the founder of Carbon Engineering.

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  1. Let’s Talk About Geoengineering
    sunset Jamie Cooper/SSPL/Getty Images

    Let’s Talk About Geoengineering

    Mar 21, 2019 David Keith calls for an open global debate on the potential of solar reflection to help combat climate change.

  2. Toward a More Reflective Planet
    solar panels Bloomberg/Getty Images

    Toward a More Reflective Planet

    Jun 16, 2016 David Keith & Gernot Wagner advocate for more US-led research into albedo modification as a tool in battling climate change.

  1. sierakowski91_Omar MarquesGetty Images_ukrainian refugees Omar Marques/Getty Images
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    Resentment on the Western Front

    Sławomir Sierakowski thinks the Polish public needs a more open and honest conversation about refugees before resentment spirals.
  2. vives17_ Leon NealGetty Images_ftx Leon Neal/Getty Images
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    Crypto’s Well-Worn Path to Crisis

    Xavier Vives writes that, despite the novelty of the assets, the narrative of FTX’s collapse was established long ago.
  3. roubini171_Spencer PlattGetty Images_recession looming Spencer Platt/Getty Images
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    The Unavoidable Crash

    Nouriel Roubini anticipates a stagflationary debt crisis, owing to a dangerous combination of inflation and over-borrowing.
  4. nye236_SAUL LOEBAFP via Getty Images_biden xi SAUL LOEB/AFP via Getty Images
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    War Over Taiwan?

    Joseph S. Nye, Jr. considers whether a deterrence arrangement that has worked for 50 years is still sufficient.
  5. op_livingston1_Anna MoneymakerGetty Images_fed Anna Moneymaker/Getty Images
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    The Contested Fed

    James Livingston

    By all accounts, central banks – particularly the Fed, because the dollar is still the world’s dominant currency – already act as investment authorities. But their recent bailouts have exacerbated economic inequality, and have done little or nothing to address climate change.

     reviews three books that, each in its own way, reveal a central truth about the world’s leading central bank.
  6. pisaniferry140_Sean GallupGetty Images_cop27 Sean GallupGetty Images
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    The Economics of Mainstreaming Climate Action

    Jean Pisani-Ferry & Selma Mahfouz identify the risks and short-term costs associated with the energy transition over the next decade.
  7. haldar15_ Tayfun CoskunAnadolu Agency via Getty Images_twitter Tayfun Coskun/Anadolu Agency via Getty Images
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    Killing Twitter

    Antara Haldar explains what Elon Musk fundamentally misunderstands about the platform – and about free speech.
  8. emmott41_musk
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    The Napoleons of Big Tech

    Bill Emmott

    Recent events in the technology sector suggest that investors and lenders should be demanding a premium to cover the risk that a star entrepreneur will become an egomaniacal dictator. With each business cycle, it seems, old lessons must be relearned.

     sees in the industry’s harsh reckoning this year lessons that apparently can’t be learned often enough.
  9. BP - ftx NurPhoto / Contributor via Getty Images
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    The Crypto Emperor’s New Clothes

    The collapse of several crypto platforms this year – including the spectacular crash of the second-largest cryptocurrency exchange, FTX – has raised fundamental questions about the credibility of a digital innovation once hailed as the key to democratizing finance. Has crypto finally been exposed as a scam, or will a new, stronger crypto industry emerge from the current turmoil?

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