Systems Thinking for Sustainability
Learn how systems thinking helps solve sustainability challenges by understanding feedback loops, complexity, resilience, leverage points, and interconnected Earth systems.
Evidence library
Joaquimma Anna
Research, explainers and solution analysis for understanding change across a living planet.
417 resourcesSustainable 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.
Human Health on a Changing Planet
earn how climate change, biodiversity loss, pollution, and planetary boundaries affect human health, and explore solutions through planetary health and One Health approaches.
Environmental Justice: Who Bears the Costs of Planetary Change?
Explore environmental justice, climate justice, inequality, and why the impacts of planetary change are distributed unevenly across communities, generations, and nations.
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.
Food Systems and Planetary Boundaries
Learn how food systems affect climate, biodiversity, freshwater, land, nutrients, and the planetary boundaries—and how sustainable food systems can nourish people and the planet.
Ocean Acidification: Causes, Evidence and Ecological Consequences
Learn what ocean acidification is, how rising CO₂ changes seawater chemistry, its impacts on marine life, and why it has become a planetary boundary.
Novel 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…
Nitrogen and Phosphorus Cycles: The Hidden Planetary Crisis
Learn how human disruption of the nitrogen and phosphorus cycles affects climate, freshwater, biodiversity, food production, and Earth's planetary boundaries.
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.