Science & Technology

300 Items

Steam rises from a coal-fired power plant.

AP Photo/Michael Probst

Report - Belfer Center for Science and International Affairs, Harvard Kennedy School

Technology Primer: Direct Air Capture

    Editors:
  • Howard Herzog
  • Peter Psarras
| June 09, 2023

Direct air capture (DAC) is a type of technology that captures carbon dioxide directly from the air. As the negative impacts of climate change become ever more apparent, governments and private industries have funneled increasing support toward DAC as a critical pathway toward achieving a net-zero future. Although a promising technology, wide-scale deployment of DAC faces several significant challenges.

Oleg tests a drone on the outskirts of Kyiv, Ukraine.

AP Photo/Natacha Pisarenko

Journal Article - Quarterly Journal: International Security

Why Drones Have Not Revolutionized War: The Enduring Hider-Finder Competition in Air Warfare

    Authors:
  • Antonio Calcara
  • Mauro Gilli
  • Raffaele Marchetti
  • Ivan Zaccagnini
| Spring 2022

Rather than revolutionizing war, drones demonstrate its evolution. The principle of air warfare remains avoiding exposure to the enemy. Drones are unlikely to shift the offense-defense balance toward the offense because they are vulnerable to attacks from the ground and air.

Audio - Harvard Environmental Economics Program

Climate and Environmental Policy in the Biden Administration: A Conversation with Richard Revesz

| Jan. 05, 2021

Richard Revesz, the Lawrence King Professor of Law at New York University and co-founder of the Institute for Policy Integrity, shared his thoughts on how the transition to a new presidential administration later this month will impact U.S. environmental and climate change policy in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program.

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Analysis & Opinions - Bloomberg Opinion

After Oil: Throwing Money at Green Energy Isn’t Enough

| Sep. 17, 2020

The geopolitical and geo-economic forces wrought by the coronavirus pandemic, as examined previously in this series, are likely to slow the transition to a more sustainable global energy mix. Fortunately, the pandemic has also resulted in governments gaining vastly greater influence over whether this shift stalls or accelerates.

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Analysis & Opinions - Bloomberg Opinion

Pandemic Is Hurting, Not Helping, Green Energy

| Sep. 16, 2020

For most people, there was nothing to celebrate when the International Monetary Fund downgraded its outlook for global economic growth in June, anticipating a contraction of 4.9% for 2020. Yet for others, such as the small but persistent group of economists and others known as the degrowth movement,” the Covid-induced economic slowdown has a silver lining.