247 Items

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

Rapid Climate Change in the Arctic: Why Everybody Should Care

| June 06, 2019

On June 6, 2019, Professor John P. Holdren gave a lecture for students and faculty at Tsinghua University's School of Public Policy and Management on the latest climate science as it affects the Arctic.  He discussed efforts to understand the challenges affecting the region and the global community and what further worldwide actions are required to address these challenges.

A U.S. Customs and Border Protection officer uses a handheld GR135- Radiation Isttope Identifier to check a container that was stopped after passing through a radiation detection device at the port of Newark in February 2006 (AP Photo/Mel Evans).

AP Photo/Mel Evans

Journal Article - Nonproliferation Review

Combating Nuclear Smuggling? Exploring Drivers and Challenges to Detecting Nuclear and Radiological Materials at Maritime Facilities

| June 03, 2019

International concern over nuclear terrorism has grown during the past few decades. This has driven a broad spectrum of efforts to strengthen nuclear security globally, including the widespread adoption of radiation-detection technology for border monitoring. Detection systems are now deployed at strategic locations for the purported purpose of detecting and deterring the smuggling of nuclear and radioactive materials. However, despite considerable investment in this area, few studies have examined how these programs are implemented or the operational challenges they face on a day-to-day basis. This article seeks to address this with a focus on radiation-detection efforts at maritime facilities. Utilizing practitioner interviews and a survey, this article identifies the factors that influence the planning and use of these systems in this fast-moving environment. The results clearly demonstrate that the implementation of these systems varies significantly across different national and organizational contexts, resulting in a fragmented global nuclear-detection architecture, which arguably undermines efforts to detect trafficked nuclear-threat materials. Greater consideration should therefore be given to developing international standards and guidance, designing and adopting tools to support key parts of the alarm assessment process, and broader sharing of good practice.

Truck transporting coal on a smoggy day in Beijing

Hans-Peter Hein/Flickr

Analysis & Opinions - Wiley Interdisciplinary Reviews: Climate Change

Key Challenges for China's Carbon Emissions Trading Program

| May 2019

China's national carbon emissions trading program is expected to become the world's largest carbon market and is critical for achieving China's domestic mitigation goals. But China's trading program is likely to face significant challenges, due to its large scale and high complexity. To address these challenges, we provide a series of policy recommendations, including capacity building from central to local levels, wise selection of allowance allocation methods to cope with changing economic realities, and deepening market-oriented reforms in energy sectors and SOEs.

Book Chapter - Elsevier Inc.

Integrated Irrigation and Agriculture Planning in Punjab: Toward a Multiscale, Multisector Framework

| 2019

This chapter focuses on the most obvious but elusive challenge of integrating irrigation and agriculture in Punjab and explores the essential nexus of water and food. It uses a combination of historical, institutional, and statistical analyses to investigate how integrated food and water planning can be achieved in Punjab.

erosion of a dune in front of a house

AP/Virginia Mayo

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

Climate Change and Cape Cod: What We Know. What We Expect. What We Can Do.

| Mar. 29, 2019

Professor John P. Holdren made these remarks for the Harvard Institute for Learning in Retirement at the Marine Biological Laboratory in Woods Hole, Massachusetts, on March 29, 2019.