Esther Ngumbi

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Writing for PS since 2017
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Esther Ngumbi, a post-doctoral researcher at Auburn University in Alabama, is a 2017 Clinton Global Initiative University Mentor for Agriculture and a 2015 Food Security New Voices Fellow at the Aspen Institute.

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Soil Science for a Hungry Planet

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Aug 3, 2017 Esther Ngumbi touts naturally occurring soil microbes as the key to boosting agricultural productivity.

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ROBERTO SCHMIDT/AFP/Getty Images

An Assault on India’s Institutions

May 18, 2018 Shashi Tharoor accuses the ruling Bharatiya Janata Party of undermining the pillars of the country's democratic system.

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Is Multilateralism Finished?

May 18, 2018 Zaki Laïdi wonders if broad-based trade and security arrangements are compatible with a multipolar world.

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The Road to a TB-Free World

May 18, 2018 Michel Sidibé & Lucica Ditiu propose an action plan to eliminate one of modern civilization's most vexing infectious diseases.

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Where Free Speech Ends

May 17, 2018 Aryeh Neier explains when and why people may legitimately be prosecuted for the words they utter.

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Where the Water Is

May 17, 2018 Manzoor Qadir & Vladimir Smakhtin call on governments to boost investment in tapping unconventional sources, including fog and icebergs.

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The Exceptionalism of American Higher Education

May 17, 2018 David F. Labaree explains why the US system of colleges and universities cannot be replicated.

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Europe Must Confront America’s Extraterritorial Sanctions

May 17, 2018 Jeffrey D. Sachs urges the EU to fight the Trump administration's efforts to block non-US firms from doing business with Iran.

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Is Big Tech Destroying Retail Markets?

May 17, 2018 Maria Gonzalez-Miranda & Ivailo Izvorski say data-driven price discrimination and decreased competition online have turned the tables on consumers.

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