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.
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72 resultsNovel Entities Explained: Chemicals, Plastics and Planetary Risk
Learn what novel entities are, why chemicals, plastics, PFAS, pesticides, and other synthetic substances are a planetary boundary, and how they threaten Earth's life-support…
Land-System Change: Agriculture, Forests and Earth’s Resilience
Learn how agriculture, deforestation, and land-use change affect climate, biodiversity, freshwater, and Earth's resilience through the land-system change planetary boundary.
Climate Change Explained: Causes, Evidence, Impacts and Solutions
A complete guide to climate change, including causes, scientific evidence, impacts, adaptation, mitigation, carbon cycles, and practical climate solutions.
Earth System Science: A Complete Introduction
Learn the foundations of Earth System Science, Earth's interconnected spheres, energy flows, biogeochemical cycles, feedbacks, tipping points, and human impacts.
The Anthropocene Explained: How Humans Became an Earth-System Force
Discover what the Anthropocene means, why humans became an Earth-system force, the Great Acceleration, scientific debate, and its implications for humanity.
The Nine Planetary Boundaries: Status, Thresholds and Interactions
Explore the status, scientific thresholds and interactions of the nine planetary boundaries defining Earth’s safe operating space.
Planetary Boundaries Explained: Earth’s Safe Operating Space for Humanity
Human civilization depends on more than economic growth, technological innovation, and political stability. It also depends on a functioning planet. Reliable rainfall supports agriculture.…
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 Does “Safe Operating Space for Humanity” Mean?
The “safe operating space for humanity” is the central concept of the planetary boundaries framework, defining a Holocene-like state in which human societies can…