For designing sustainability
We find solution together.
For designing sustainability.
We combine technology and expertise to expand Adaptive Architecture.
Evidence-informed design ensures sustainable value in urban spaces.
We re-think the state of sustainability.
Services
Research
4ds offers cutting-edge research to help you drive your sustainable business forward.
Strategy
In addition to research, we provide consulting services for investigating and developing strategies.
Study Tour
We deliver training and educational programs in Europe.
Insight
German EV Boom and Implications for Japanese Real Estate
German EV Boom and Implications for Japanese Real Estate
ドイツのEV急増が教える日本の不動産と都市開発の備え
April 26, 2026
SustainabilityUrban design
German Government Launches New Funding Round for Construction Innovation
German Government Launches New Funding Round for Construction Innovation
ドイツ政府が建築イノベーション助成プログラムの新規募集を開始
April 26, 2026
ArchitectureSustainability
Low Carbon Building Initiative Expands to European Renovations
Low Carbon Building Initiative Expands to European Renovations
欧州の低炭素ビル認証LCBIが既存建築のリノベーション版を始動
April 26, 2026
SustainabilityArchitecture
German Manufacturing Future Shaped by AI Implementation
German Manufacturing Future Shaped by AI Implementation
AI実装が変えるドイツ製造業の未来と日本の建築業界への示唆
April 26, 2026
ArchitectureSustainability
Europe's 'Solar Boom' Accelerated by Iran Situation and Energy Crisis
Europe's 'Solar Boom' Accelerated by Iran Situation and Energy Crisis
イラン情勢とエネルギー危機が加速させる欧州「ソーラーブーム」の深層
April 26, 2026
Sustainability
EU Decides on Emergency Tax Cuts and Renewable Acceleration for Second Energy Crisis
EU Decides on Emergency Tax Cuts and Renewable Acceleration for Second Energy Crisis
EUが第2次エネルギー危機に対し緊急減税と再エネ導入加速を決定
April 26, 2026
SustainabilityEnergy
Ultimate Energy Security: The Power of Zero-Energy Buildings and Districts
Ultimate Energy Security: The Power of Zero-Energy Buildings and Districts
究極のエネルギー安全保障：消費をゼロにする建築と街区の力
April 25, 2026
Net ZERO
From Window to Resource: Circular Glass Utilization in European Architecture
From Window to Resource: Circular Glass Utilization in European Architecture
窓から資源へ：ガラスの循環型利用が拓く欧州建築の資源効率戦略
April 25, 2026
Architecture
Works
Energy-Saving Renovations Create New Business Opportunities
Energy-Saving Renovations Create New Business Opportunities
Learning about Circular Economy Architecture in Germany
Learning about Circular Economy Architecture in Germany