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.…
Topic archive
Solutions & Transitions
Guides and insights on moving toward a sustainable, low‑carbon future.
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,…
Direct Air Capture: Potential and Limitations
Direct air capture (DAC) is a technology that removes CO2 directly from the atmosphere. It addresses the need for negative emissions to meet climate…
Reforestation vs Afforestation: A Comparative Analysis of Nature-Based Climate Solutions
Reforestation and afforestation are widely promoted nature-based solutions for carbon removal and ecosystem restoration. Reforestation—replanting trees in recently deforested areas—generally offers faster ecological recovery…
What Is a Nature-Based Solution? A Comprehensive Analysis
Nature-based solutions (NbS) are actions that protect, manage, or restore ecosystems to address societal challenges such as climate change, water security, and biodiversity loss.…
Can Renewable Energy Operate Without Fossil Fuels? A Solution Analysis
While technically feasible in theory, a fully renewable energy system without any fossil fuel backup has not yet been demonstrated at large scale. High-penetration…
What Is a Circular Business Model? A Comprehensive Analysis
A circular business model is an economic framework that aims to decouple growth from resource consumption by designing out waste, keeping products and materials…