Hydropower: Low Carbon but Not Impact-Free
Hydropower is a renewable energy source that generates electricity by harnessing the kinetic energy of flowing or falling water. It is a low-carbon alternative…
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Solutions & Transitions
Guides and insights on moving toward a sustainable, low‑carbon future.
How Humanity Can Thrive on a Finite Planet
Explore how humanity can prosper within Earth's ecological limits through planetary boundaries, resilience, innovation, justice, and sustainable development.
Nature-Based Solutions: Potential, Evidence and Trade-Offs
Learn what Nature-Based Solutions are, how they support climate adaptation, biodiversity, and human well-being, and explore their evidence, limitations, and trade-offs.
Sustainable Development Within Planetary Boundaries
Learn how sustainable development can meet human needs while respecting planetary boundaries, balancing economic prosperity, social equity, and Earth-system resilience.
The Circular Economy: Principles, Evidence and Limitations
Learn what the circular economy is, its core principles, scientific evidence, business opportunities, environmental benefits, and real-world limitations.
What Is a Nature-Based Solution?
Nature-based solutions (NBS) are actions that protect, restore, or manage ecosystems to address societal challenges such as climate change, water security, and disaster risk.…
What Is Regenerative Agriculture?
Regenerative agriculture is a holistic approach to farming and grazing that focuses on restoring soil health, increasing biodiversity, and enhancing ecosystem services. It goes…
Can Public Transport Reduce Urban Emissions?
Public transport can reduce urban emissions by shifting trips from private cars to higher-occupancy modes, but its effectiveness depends on system design, ridership, and…
Congestion Pricing: Benefits and Limitations
Congestion pricing is a demand-side strategy that charges drivers a fee to use congested roads or enter designated zones during peak periods. It aims…
Extended Producer Responsibility: A Comprehensive Overview
Extended Producer Responsibility (EPR) is an environmental policy approach that makes producers responsible for the entire lifecycle of their products, especially for take-back, recycling,…