- Renewable Energy
- Climate Change
REI representation at COP31: Find us in Antalya, Türkiye
14 October 2026
*contents in Japanese
REI representation at COP31: Find us in Antalya, Türkiye
14 October 2026
[Policy Proposal] Japan Should Endorse and Actively Engage in Advancing the Global 35% Electrification Target *
9 October 2026
[JCI] Japan Climate Action Summit 2026 (JCAS2026)
2 October 2026
[Info Pack] Policies for Decarbonizing Japan’s Steel Industry: Current Status and Future Outlook *
16 September 2026
[Webinar Series] Preparing for Japan's 2028 Building LCA Mandate: How Will Building LCA Regulations Transform Industry Practice? (Lessons from the US)
1 September 2026
2026, A New Push for Electrification: The EU Electrification Action Plan and Lessons for JapanKarolin Jiptner, Senior Researcher, Renewable Energy Institute
26 August 2026
[Webinar Series] Preparing for Japan's 2028 Building LCA Mandate: How Will Building LCA Regulations Transform Industry Practice? (Lessons from the UK)
31 July 2026
[Webinar] Understanding the New SBTi Corporate Net-Zero Standard: Key Changes and Business Implications *
30 July 2026
How Will the EU Assess “Green Steel”? : The ESPR Framework and Its Implications for Japan
17 July 2026
The New SBTi Corporate Net-Zero Standard. Beyond Scope 3 Accounting: Building the Business Case for Decarbonization *Kae Takase, Senior Manager, Climate Change
14 July 2026
[Webinar Series] Preparing for Japan's 2028 Building LCA Mandate: How Will Building LCA Regulations Transform Industry Practice? (Lessons from France)
7 July 2026
[JCI] 8th Anniversary of the Japan Climate Initiative: Progress and the Path Ahead
6 July 2026
From Energy Crisis to Electrification: Four Pillars of EU PolicyKarolin Jiptner, Senior Researcher, Renewable Energy Institute
23 June 2026
Driving Steel Decarbonization: The Role of Demand-Side Action in Japan and Globally
13 May 2026
The Reality of Hydrogen: Japan’s Challenges and Responses *
11 May 2026
Japan’s Nuclear Power Targets from Impossible (2030) to Hardly Achievable (2040)Romain Zissler, Senior Researcher, Renewable Energy Institute
24 April 2026
Whole Building LCA in 2028: Move Beyond Calculation and Drive DecarbonizationSayo Okada, Senior Researcher, Renewable Energy Institute
19 February 2026
Comments on the Government’s Proposal for GX-ETS Policy Design (Making GX-ETS a Truly Effective Carbon Pricing System Part 4) *Akiko Hirose, Research Staff, Renewable Energy Institute / Teruyuki Ohno, Executive Director, Renewable Energy Institute
29 January 2026
[QA Webinar] GHG Protocol Scope 2 Revisions *
8 January 2026
Will the Scheme Drive the Transition to a Decarbonized Growth Economic Structure? (Making GX-ETS a Truly Effective Carbon Pricing System Part 3) *Akiko Hirose, Research Staff, Renewable Energy Institute / Teruyuki Ohno, Executive Director, Renewable Energy Institute
26 December 2025
[Joint Study with Agora Industry] Green Iron Trade: Unlocking Opportunities for Japan
15 December 2025
The Role and Function of Carbon Credits in the ETS (Making GX-ETS a Truly Effective Carbon Pricing System Part 2) *Akiko Hirose, Research Staff, Renewable Energy Institute / Teruyuki Ohno, Executive Director, Renewable Energy Institute
12 December 2025
[Seminar] GHG Protocol Update: What You Need to Know About Scope 2 *
25 November 2025
Emissions Allocation and Benchmarking for the Power Sector (Making GX-ETS a Truly Effective Carbon Pricing System Part 1) *Akiko Hirose, Research Staff, Renewable Energy Institute / Teruyuki Ohno, Executive Director, Renewable Energy Institute
20 November 2025
Decarbonizing the Steel Industry: Global Approaches and Japan’s Challenges
18 November 2025
[Japan Climate Action Summit 2025 Declaration] Leading the Transition to a Decarbonized Society: We Will Never Stop
7 November 2025
[JCI] Japan Climate Action Summit 2025 (JCAS2025)
7 November 2025
Empowering Japan with Renewables: Building an Inflation-Resilient Economy *Kae Takase, Senior Manager, Climate Change, Renewable Energy Institute
4 November 2025
Decarbonizing Steel (Part 1: Japan): Remaining Challenges for Mass Balance ProductsYuko Nishida, Senior Manager, Climate Change, Renewable Energy Institute
23 October 2025
The Decarbonization Pathway for Japan’s Cement Industry: Take Urgent Actions to Align with the 1.5℃ Target
16 October 2025
[Japan Launch Event] Seizing the Moment of Opportunity: Japanese Translation of the UN Technical Report
3 October 2025
Can Hydrogen and Ammonia-Fueled Power Realistically Serve as Decarbonized Energy Sources?Toshikazu Ishihara, Senior Researcher, Renewable Energy Institute
26 August 2025
Supporting Fossil Power Under the Label of “Decarbonization”: Where Does a 90% Reduction Without Phase-Out Lead?Yuri Okubo, Senior Climate Engagement Strategist, Renewable Energy Institute
26 August 2025
[Infopack] Circular Economy Through the Lens of Expo 2025: Challenges in Circularity in Architecture *
29 July 2025
Auctioning Fossil Power with CCS That Does Not Deliver: Unpacking the Technical and Institutional Gaps *Yuri Okubo, Senior Climate Engagement Strategist, Renewable Energy Institute / Akiko Hirose, Research Staff, Renewable Energy Institute
23 July 2025
Supporting Fossil Power Under the Label of “Decarbonization”: Where Does a 90% Reduction Without Phase-Out Lead? *Yuri Okubo, Senior Climate Engagement Strategist, Renewable Energy Institute
18 July 2025
[JCI] 7th Anniversary of the Japan Climate Initiative: Progress and the Path Ahead
7 July 2025
Is Japan’s 2040 'Near-Zero Emissions' Target for Thermal Power Realistic? : A Cost and Feasibility Check of Hydrogen, Ammonia, and CCS Toshikazu Ishihara, Senior Researcher, Renewable Energy Institute / Yuri Okubo, Senior Climate Engagement Strategist, Renewable Energy Institute
3 June 2025
The Climate Path Forward Under Germany’s New GovernmentKarolin Jiptner, Senior Researcher, Renewable Energy Institute
29 May 2025
[Corporate Seminar] What do The Revised SBTi Net Zero Standard and RE100 Criteria Require of Japanese Companies? *
14 May 2025
Strategic Energy Plan for 2040: Three Main Challenges for JapanKae Takase, Senior Manager, Climate Change, Renewable Energy Institute
24 January 2025
REI Representation at COP29 - Find us in Baku, Azerbaijan
11 November 2024
[JCI] Japan Climate Action Summit 2024 (JCAS2024)
18 October 2024
How Difficult is it to Expand Nuclear Power in the World?Romain Zissler, Senior Researcher, Renewable Energy Institute
27 September 2024
[JCI] 6th Anniversary of the Japan Climate Initiative: Achievements and Future Developments
16 July 2024
[JCI] 216 Organizations Endorse a Message to the Government Calling for a Major Expansion of Renewables and Phase-Out of Coal-Fired Power
8 July 2024
[Seminar] Energy Transition in APAC and Japan's Role
15 March 2024
[Country Case Study] Indonesia: Southeast Asia Power Sector Decarbonization
11 March 2024
Pathway to Decarbonization of Petrochemicals in Japan: Shifting from Mass Consumption, Creating Carbon Circulation and Enhancing Renewable Energy Deployment
8 February 2024
[Joint Statement] Uniting for Asia’s Renewable Energy Future: Message to the Asia Zero Emission Community Summit
8 December 2023
[Comment] Triple Renewables in Japan for a 1.5℃ Pathway: Following the Pledge to Triple Renewable Energy at COP28
7 December 2023
[JCI] Carbon Pricing Proposal endorsed by 186 Members: Toward Simultaneous Achievement of 2030 GHG Emission Reduction Targets and...
5 December 2023
Why Investments in Ammonia Co-firing to Coal Power are not Consistent with the 1.5°C Climate GoalKae Takase, Senior, Coordinator, Renewable Energy Institute
1 December 2023
REI COP28 Event - Find us in Dubai
30 November 2023
[JCI] Japan Climate Action Summit 2023(JCAS2023)
6 October 2023
[Climate Change Top Page] New categories added: Policies and Actions in Japan/World, Decarbonization by Sector, Power & Fuel Transitions
19 September 2023
Renewable Energy: The Top-Priority for Southeast Asia to Fully Blossom
5 September 2023
[Webinar] Impact of 60% Reduction in 2035: Will Japan's Energy Policy Change?
3 August 2023
Germany Accelerates with RE, Batteries, and Hydrogen After Phasing Out NuclearRomain Zissler, Senior Researcher, Renewable Energy Institute
20 July 2023
[Position Paper] Revised Basic Hydrogen Strategy Offers No Clear Path to Carbon Neutrality
20 July 2023
Steel Industry Towards 2040 Zero Emissions: 15 Insights on the Transformation and Japan's Choices
12 July 2023
[JCI] 5th Anniversary of the Japan Climate Initiative: Achievements and Future Developments
6 July 2023
[JCI Message] 303 Non-State Actors Joined the Message "Overcoming Two Crises with Renewable Energy and Carbon Pricing"
12 April 2023
Proposal for the 2035 Energy Mix (First Edition): Toward Decarbonizing Electricity with Renewable Energy
11 April 2023
Reality of Nuclear Power in Europe: Reduced DependenceRomain Zissler, Senior Researcher, Renewable Energy Institute
4 April 2023
REvision2023: Overcoming the Energy Crisis with Renewables
8 March 2023
[Comment] The GX Basic Policy Falls Short in Proposing Strategies for Overcoming the Current Crises
28 February 2023
[Info Pack] Japan’s Nuclear Power New Policy: Off the Mark
17 February 2023
Battery Storage to Efficiently Achieve Renewable Energy Integration
23 January 2023
[Comment] Japan’s “GX: Green Transformation Policy” is a Missed Opportunity to Respond to the Current Climate and Energy Crises
27 December 2022
The Path to Green Steel: Pursuing Zero-Carbon Steelmaking in Japan
18 November 2022
[JCI] Japan Climate Action Summit 2022 (JCAS2022)
14 October 2022
In the Energy Crisis Renewable Energy Phenomenally Grows, Fossils and Nuclear DecreaseRomain Zissler, Senior Researcher, Renewable Energy Institute
6 October 2022
Re-examining Japan’s Hydrogen Strategy: Moving Beyond the “Hydrogen Society” Fantasy
22 September 2022
France’s Nuclear Power: Current Difficulties, New Policies, and 100% RenationalizationRomain Zissler, Senior Researcher, Renewable Energy Institute
23 August 2022
Tight Supply of Electricity Addressed by Multiple Means in Tokyo: Nuclear Power is Not the SolutionMasaya Ishida, Senior Manager, Renewable Energy Institute
7 July 2022
[JCI] 4th Anniversary of the Japan Climate Initiative: Achievements and Future Developments
6 July 2022
Renewables to Strengthen Energy Security in Europe and Japan
5 July 2022
[JCI Message] 285 Non-State Actors Call for Accelerating Renewable Energy Deployment Now
3 June 2022
Bottlenecks and Risks of CCS Thermal Power Policy in Japan
20 May 2022
Building Performance Standards for Existing Buildings: A view from the US and Europe
17 May 2022
Now is the Time to Phase Out Fossil Fuels and Nuclear PowerMika Ohbayashi, Director, Renewable Energy Institute
9 March 2022
France’s New Nuclear Power Plans and Techno-Economic DifficultiesRomain Zissler, Senior Researcher, Renewable Energy Institute
28 January 2022
Germany: Latest Developments of Energy and Climate Policy and Legislation - Before and After the Government Change
25 January 2022
World Nuclear Industry Status Report 2021: New Findings and Implications for Japan
19 January 2022
[Info Pack] Towards Carbon Neutral Steel in Japan: Learning from the Latest Trends in the European Union
14 December 2021
[Statement] Concrete Policies Needed to Halve Our Emissions by 2030: A Call to the Japanese Government Ahead of COP26
27 October 2021
[JCI] Japan Climate Action Summit 2021 (JCAS2021)
13 October 2021
[JCI] 3rd Anniversary of Japan Climate Initiative: Achievements and Future Developments
6 July 2021
[JCI] Statement to Call for an Ambitious 2030 Target for Japan to Realize the Paris Agreement Goal
19 April 2021
Fading Nuclear ProspectsTomas Kåberger, Chair of Executive Board, Renewable Energy Institute / Fredrik Lundberg, Nuclear Journalist
9 March 2021
Renewable Pathways to Climate-neutral Japan: Reaching Zero Emissions by 2050 in the Energy System
9 March 2021
Innovative Decarbonization Policies: HawaiiRomain Zissler, Senior Researcher, Renewable Energy Institute
2 February 2021
[JCI Message] Calling on the Japanese Government to Raise its 2030 Renewable Energy Target to 40-50%
18 January 2021
The Quest to Decarbonize Europe: 2020 Strategies towards 2050
4 December 2020
Innovative Decarbonization Policies: AustraliaRomain Zissler, Senior Researcher, Renewable Energy Institute
16 November 2020
[Comment] Joe Biden’s Victory is a Chance to Accelerate Japan’s Energy Transformation to Achieve a Decarbonized Society
12 November 2020
[Comment] Japan’s 2050 Carbon Neutral Declaration: 45% Emission Reduction is Needed by 2030
26 October 2020
[JCI] Japan Climate Action Summit 2020 (JCAS2020)
13 October 2020
Innovative Decarbonization Policies: IndiaRomain Zissler, Senior Researcher, Renewable Energy Institute
18 September 2020
[JCI] A message to the new Online Platform “Platform for Redesign 2020”
4 September 2020
Innovative Decarbonization Policies: California, United StatesRomain Zissler, Senior Researcher, Renewable Energy Institute
4 August 2020
[Comment] Cease Coal-Fired Power Exports and Shift to Renewable Energy Support: on the Review of Japan’s Energy Infrastructure Export Policy
9 July 2020
[Info Pack] Four Reasons Japan Needs to Cease Coal-Fired Power Exports and Shift to Supporting Renewable Energy
7 July 2020
[JCI] 2nd Anniversary of Japan Climate Initiative: Achievements and Future Developments
6 July 2020
[Comment] Complete Phase-out of Coal Power is Required in Japan
3 July 2020
[JCI Message] Towards “Green Recovery”: Overcome the coronavirus crisis and tackle the climate crisis
13 May 2020
Wind Output Displaces Nuclear in France and SwedenTomas Kåberger, Chair of Executive Board, Renewable Energy Institute / Romain Zissler, Senior Researcher, Renewable Energy Institute
16 April 2020
[JCI Comment] By Takejiro Sueyoshi, JCI representative: A raise of Japan’s Reduction Target is Urgently Needed
30 March 2020
[Info Pack] 5 Fallacies of Japan’s Coal-fired Power Export Policy
16 March 2020
[JCI] Statement to call on the Japanese Government for its NDC enhancement
4 February 2020
[COP25 Side Event] Accelerating energy transitions and raising ambition based on decreasing costs of renewables (Madrid, Spain)
13 December 2019
[COP25 Side Event] Challenges of Japan and large cities in the midst of climate crisis: Aiming to be carbon neutral by 2050
10 December 2019
[JCI] Japan Climate Action Summit 2019 (JCAS2019)
31 October 2019
Risk Analysis of Coal-Fired Power Plant Investment in Japan: Exposure to Stranded Asset Risk in the Energy Transition Period
24 October 2019
Renewable Energy: the Obvious Sustainable Development Pathway for Asia PacificRomain Zissler, Senior Researcher, Renewable Energy Institute / Christian Pigot, Research Collaborator
21 October 2019
Renewable Energy to Replace Coal Power in Southeast Asia: Pragmatism to Deliver a Sustainable Bright Future
17 October 2019
[Seminar] International Pathways: Cities Decarbonizing Buildings (NYC, US)
27 September 2019
[JCI] 1st Anniversary of Japan Climate Initiative - Achievements and Future developments
5 July 2019
[Comment] Calling for an Energy Strategy for a Carbon-Neutral Japan
28 June 2019
F20 High-Level Forum in Tokyo: Heading towards a New Climate and Sustainable Economy
13 June 2019
Tokyo Dialogue on Sustainable Finance – an event in view of the G20 summit in Japan –
10 June 2019
Proposal for Energy Strategy Toward a Decarbonized Society
15 April 2019
[JCI Symposium] Japan Climate Action to the front line of the world – Inviting Ms. Christiana Figueres (Former Executive Secretary of UNFCCC)
12 February 2019
The Rise of Renewable Energy and Fall of Nuclear Power: Competition of Low Carbon Technologies
6 February 2019
[Proposal] Formulate a Long-term Reduction Strategy that Leads the World in the Decarbonization Process
25 January 2019
[COP24 Side Event] Decarbonizing Cities and Communities: Through Distributed Energy Resources and Energy Transition (Katowice, Poland)
5 December 2018
[JCI] Japan Climate Action Summit 2018 (JCAS2018)
12 October 2018
Japan’s Finance Organizations Start to Clarify their Finance Policies on New Coal-fired Power Yuri Okubo Senior Researcher, Renewable Energy Institute
11 October 2018
[Green Building Symposium] Decarbonizing Buildings and Housings: Synergy of Energy Efficiency and Renewable Energy in the Building Sector
5 October 2018
Plans of New Coal-fired Power Plants in Japan Are Being ReviewedYuri Okubo, Senior Researcher, Renewable Energy Institute
23 July 2018
[Comments on the Draft Basic Energy Plan] Japan Should Join the Global Trend for Renewables Toward Decarbonization: Persisting in Coal and Nuclear Will Put Japan’s Future at Risk
28 June 2018
The UK is Phasing Out Coal Power by Expanding RE
20 June 2018
[Comment] Renewables as the Major Power Source for Decarbonization: Japan’s Basic Energy Plan Should Depart from Coal and Nuclear
12 June 2018
Symposium to Launch Discussion on Phase Out of Coal-Fired Power Stations in Japan: The Future of Energy Investment After the Paris Agreement, Accelerated Decarbonization Trend
29 May 2018
Science based Coal-Phase Out Timeline for Japan: Implication for Policymakers and Investors
29 May 2018
Coal Power, a Record Not to Celebrate: No More Time to Waste as the Climate Change Clock is TickingRomain Zissler, Researcher, Renewable Energy Institute
23 February 2018
[Recommendation] Transitioning Energy Policies for a Decarbonized Society: Redirecting Discussions on the Basic Energy Plan and Long-term...
15 February 2018
Japan Should Join the Global Trend Toward DecarbonizationTeruyuki Ohno, Executive Director, Renewable Energy Institute
5 January 2018
Tomas Kåberger Appointed as Member of the Swedish Climate Policy Council
12 December 2017
[COP23 Official Side Event] Energy Transition and Low Carbon Developments in North East Asia: China, South Korea, Japan
7 November 2017
[Seminar] Renewable Energy Enhances Corporate Value
25 October 2017
Business Risks of New Coal-fired Power Plant Projects in Japan: The Decline in Capacity Factor and Its Effect on the Business Feasibility
1 September 2017
Business Risks of the 42 New Coal-fired Power Plant Projects in Japan: Capacity Factor May Decline to Less Than 50% by FY 2026Yuri Okubo, Senior Researcher, Renewable Energy Institute / Teruyuki Ohno, Executive, Director, Renewable Energy Institute
4 August 2017
[Seminar] Energy Business Towards a Decarbonized Society: The Role of Financial Institutions and Corporates
14 February 2017
Coal Business and Policy Trends: What Japanese Investors Should Know After the Paris Agreement
18 October 2016
Let’s Take the Path Toward 100% Renewables: The Surest Choice to Avoid the Climate Change CrisisTeruyuki Ohno, Executive Director, Japan Renewable Energy Foundation
5 January 2016
[Statement] The World Has Taken a Step Toward 100% Renewables: Global Climate Change Agreement Reached at the Paris UN Conference
24 December 2015
The 2020 Tokyo Olympics and SustainabilityTeruyuki Ohno, Executive Director, Japan Renewable Energy Foundation
24 April 2014