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Working Paper

2020年9月22日に開かれた国連75周年総会の一般討論演説において、中国習近平国家主席は、「2030年より前に二酸化炭素の排出のピークを達成し(2030年ピーク目標)、2060年より前に炭素中立(ネットゼロ、2060年目標)を達成するように尽力」することを表明し、国内外からの大きな注目を集めた。

 2060年目標を表明した背景と今後の見通しについて検討すべく、本稿は、「1. 2020年がもつ戦略的タイミングの意義」、「2. 2060年目標設定の背景にある戦略的思考」、「3. 今後の見通し」、の3点について深堀する。

Peer-reviewed Article
In ISPRS International Journal of Geo-Information
Author:
Saeid
Gharechelou
Ryutaro
Tateishi
Josaphat
Sumantyo

Soil moisture is a critical component for Earth science studies, and Synthetic Aperture Radar (SAR) data have high potential for retrieving soil moisture using backscattering models. In this study, polarimetric SAR (PALSAR: Phased Array type L-band Synthetic Aperture Radar) data and polarimetric decompositions including span, entropy/H/alpha, and...

Peer-reviewed Article
In Politics and Governance

External emergency assistance (EEA) provided in the aftermath of a disaster has costs and benefits to the donor and recipient countries. Donors benefit from quick recovery feedback effects from the trade and cultural links, and recipient countries have additional resources to manage the emergency. However, EEA costs could outweigh the benefits...

Translation of non-IGES Material

森林に関するニューヨーク宣言(NYDF)の目標7は、「国際的に合意されたルールに則り、2度目標に適うべく、2020年以降の気候に関する世界的な合意の一部として、森林減少と森林劣化による排出量の削減を2015年に合意すること」である。国際的な気候アジェンダにおいて森林が極めて重要な役割を果たすということが、パリ協定に明記されたことで、森林に関するニューヨーク宣言(NYDF)の目標7は達成されたことになる。しかし、気候危機を緩和するためには森林が不可欠であるという国際的な認識にもかかわらず、世界中で森林減少と劣化が続いており、世界的に森林の保護、回復、持続可能な管理がかつてないほど急務となっている。そのため、NYDFアセスメントパートナーズは、世界の森林の保護、回復...

Peer-reviewed Article
In Groundwater for Sustainable Development
Author:
Tran Van
Ty
Huynh Vuong Thu
Minh
Ram
Avtar
Huynh Van
Hiep

This study assesses qualitative and quantitative changes in groundwater resources and their impact on land
subsidence in Can Tho, Vietnam, from 2000 to 2018. Can Tho city is characterized by scarce water resources and
intense industrial, domestic, agricultural, and mining usage, creating water stress. The vertical compaction rates
and thus land...

Report Chapter
In Climate Ambition beyond Emission Numbers: Taking Stock of Progress by Looking Inside Countries and Sectors

Japan has raised its climate ambition by declaring its commitment to achieve carbon neutrality by 2050, and by setting a new target of reducing its greenhouse gas (GHG) emissions by 46% against 2013 levels by 2030. This chapter provides a perspective on how Japan’s ambition has evolved since 2015, in terms of domestic discourse, governance to...

Keywords:
Training or Learning Material

This training module was developed as a supplementary training and learning resource for the “Guidelines for Safe Closure and Rehabilitation of Municipal Solid Waste Dumpsites in Sri Lanka,” published by the Ministry of Environment, Sri Lanka. The training Module was designed under the guidance of the Secretary, Director, Assistant Director and...

Discussion Paper

In this discussion paper, we demonstrate why and how co-innovation can serve as a critical enabler of a bilateral Japan-India partnership on hydrogen technologies. We argue that more than conventional approaches to technology transfer, co-innovation places a premium on the role of multi-stakeholder collaboration in triggering the transition from...

Peer-reviewed Article
In Mitigation and Adaptation Strategies for Global Change
Author:
Nguyen Hong
Duc
Ram
Avtar
Pham Phuong
Lan

Rapid population growth, urbanization, industrialization, and climate change are the key drivers causing serious water pollution around the globe. Considering the impacts of these key drivers, this study employed the Water Evaluation and Planning (WEAP) simulation tool to simulate the future water quality in a nearly 60-km stretch of the Hau River...

Technical Report
Author:
Amr Osama
ABDEL-AZIZ
Ana-Maria
DANILA
Toghrul
FEYZIYEV
Olia
GLADE
Zammath
KHALEEL
Mwangi James
KINYANJUI
Juan Luis Martin
ORTEGA
Anne Nyatichi
OMAMBIA
Anand
SOOKUN
Vicente Paolo
YU

This technical summary report presents the results of the technical analysis of biennial update reports of Zambia submitted in 2020, conducted by a team of technical experts in accordance with the modalities and procedures contained in the annex to decision 20/CP.19. The author at IGES (Chisa Umemiya) served as one of the co-leads.

Keywords: