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The 2025 IIASA Annual Report showcases how international scientific collaboration, systems analysis, and science diplomacy are helping to address some of the world’s most pressing challenges, from climate change and biodiversity loss to demographic shifts and sustainable development. Through research, policy engagement, and global partnerships, IIASA continues to bridge disciplines, sectors, and nations to generate evidence-based insights for a more resilient and sustainable future.
Selected highlights
Annual Report 2025
Annual Report 2025: Strategic Initiatives Program Highlights
Throughout 2025, the Strategic Initiatives (SI) Program continued to foster close collaboration with IIASA’s National and Regional Member Organizations, supporting targeted, solution-oriented research aligned with national and global priorities.
Annual Report 2025
Annual Report 2025: Population and Just Societies Program Highlights
How can societies adapt to profound demographic, environmental, and social change while ensuring that no one is left behind? In 2025, the Population and Just Societies Program generated new evidence on aging, migration, labor markets, climate vulnerability, and the policies needed to build more inclusive and resilient societies.
Annual Report 2025
Annual Report 2025: Energy, Climate, and Environment Program Highlights
The transition to a low-carbon future requires both ambitious action and a clear understanding of what works. In 2025, the Energy, Climate, and Environment Program produced research that helped clarify the opportunities, trade-offs, and practical pathways for accelerating climate mitigation and strengthening environmental sustainability.
Annual Report 2025
Annual Report 2025: Economic Frontiers Program Highlights
From poverty and resource extraction to climate policy and economic modeling, the Economic Frontiers Program explored some of the most pressing questions at the intersection of economy, society, and sustainability. Research conducted in 2025 challenged conventional assumptions and generated new perspectives on how progress can be measured and achieved.
Annual Report 2025
Annual Report 2025: Biodiversity and Natural Resources Program Highlights
Balancing the needs of people and nature is one of the defining challenges of our time. Throughout 2025, the Biodiversity and Natural Resources Program advanced research on how societies can pursue climate, biodiversity, and development goals while managing growing pressures on land, water, energy, and ecosystems.
Annual Report 2025
Annual Report 2025: Advancing Systems Analysis Program Highlights
As global challenges become increasingly interconnected, the Advancing Systems Analysis Program continued to develop innovative approaches for understanding complexity and supporting better decisions. In 2025, the program’s research revealed new insights into urban sustainability, resilience in an era of polycrisis, public health, and sustainable development.
Annual Report 2025
Annual Report 2025: Advancing Global Partnerships Highlights
Throughout 2025, IIASA expanded its international cooperation through new agreements, research initiatives, and high-level exchanges focused on sustainability, climate action, and systems science.
Annual Report 2025
Annual Report 2025: Science Diplomacy Highlights
In 2025, IIASA reinforced its role as a trusted actor in science diplomacy by deepening engagement with international institutions and supporting research‑informed policy dialogue across global platforms.
Annual Report 2025
Annual Report 2025: Policy Impact Highlights
As part of its mission, IIASA provides scientific guidance to policymakers by applying systems analysis to global challenges.